Home / 258,893,534.80-388,340,302.20-239,186,040.40

Finding the Fourth Proportional to 258,893,534.80, 388,340,302.20 and 239,186,040.40

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Solution

The fourth proportional to 258,893,534.80, 388,340,302.20 and 239,186,040.40 is: 358,779,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,893,534.80 : 388,340,302.20 = 239,186,040.40 : x
  2. Step 2: Convert to fraction form
    258,893,534.80/388,340,302.20 = 239,186,040.40/x
  3. Step 3: Cross multiply
    258,893,534.80x = 388,340,302.20 × 239,186,040.40
  4. Step 4: Simplify right side
    258,893,534.80x = 92,885,579,210,957,408
  5. Step 5: Solve for x
    x = 92,885,579,210,957,408/258,893,534.80
  6. Step 6: Final answer
    x = 358,779,060.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.