Home / 351,970.10-527,955.15-258,658.10

Finding the Fourth Proportional to 351,970.10, 527,955.15 and 258,658.10

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Solution

The fourth proportional to 351,970.10, 527,955.15 and 258,658.10 is: 387,987.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,970.10 : 527,955.15 = 258,658.10 : x
  2. Step 2: Convert to fraction form
    351,970.10/527,955.15 = 258,658.10/x
  3. Step 3: Cross multiply
    351,970.10x = 527,955.15 × 258,658.10
  4. Step 4: Simplify right side
    351,970.10x = 136,559,875,984.22
  5. Step 5: Solve for x
    x = 136,559,875,984.22/351,970.10
  6. Step 6: Final answer
    x = 387,987.15

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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.