Home / 345,002.96-517,340.70-120,336.10

Finding the Fourth Proportional to 345,002.96, 517,340.70 and 120,336.10

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Solution

The fourth proportional to 345,002.96, 517,340.70 and 120,336.10 is: 180,447.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,002.96 : 517,340.70 = 120,336.10 : x
  2. Step 2: Convert to fraction form
    345,002.96/517,340.70 = 120,336.10/x
  3. Step 3: Cross multiply
    345,002.96x = 517,340.70 × 120,336.10
  4. Step 4: Simplify right side
    345,002.96x = 62,254,762,209.27
  5. Step 5: Solve for x
    x = 62,254,762,209.27/345,002.96
  6. Step 6: Final answer
    x = 180,447.04

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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.