Home / 351,802.32-527,785.50-115,130.66

Finding the Fourth Proportional to 351,802.32, 527,785.50 and 115,130.66

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Solution

The fourth proportional to 351,802.32, 527,785.50 and 115,130.66 is: 172,722.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,802.32 : 527,785.50 = 115,130.66 : x
  2. Step 2: Convert to fraction form
    351,802.32/527,785.50 = 115,130.66/x
  3. Step 3: Cross multiply
    351,802.32x = 527,785.50 × 115,130.66
  4. Step 4: Simplify right side
    351,802.32x = 60,764,290,314.50
  5. Step 5: Solve for x
    x = 60,764,290,314.50/351,802.32
  6. Step 6: Final answer
    x = 172,722.82

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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.