Home / 351,901.19-527,740.31-127,231.90

Finding the Fourth Proportional to 351,901.19, 527,740.31 and 127,231.90

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Solution

The fourth proportional to 351,901.19, 527,740.31 and 127,231.90 is: 190,807.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,901.19 : 527,740.31 = 127,231.90 : x
  2. Step 2: Convert to fraction form
    351,901.19/527,740.31 = 127,231.90/x
  3. Step 3: Cross multiply
    351,901.19x = 527,740.31 × 127,231.90
  4. Step 4: Simplify right side
    351,901.19x = 67,145,401,346.62
  5. Step 5: Solve for x
    x = 67,145,401,346.62/351,901.19
  6. Step 6: Final answer
    x = 190,807.54

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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.