Home / 668,156.50-1,002,215.31-247,423.06

Finding the Fourth Proportional to 668,156.50, 1,002,215.31 and 247,423.06

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Solution

The fourth proportional to 668,156.50, 1,002,215.31 and 247,423.06 is: 371,127.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,156.50 : 1,002,215.31 = 247,423.06 : x
  2. Step 2: Convert to fraction form
    668,156.50/1,002,215.31 = 247,423.06/x
  3. Step 3: Cross multiply
    668,156.50x = 1,002,215.31 × 247,423.06
  4. Step 4: Simplify right side
    668,156.50x = 247,971,178,779.05
  5. Step 5: Solve for x
    x = 247,971,178,779.05/668,156.50
  6. Step 6: Final answer
    x = 371,127.39

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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.