Home / 351,421.18-527,164.16-114,765.10

Finding the Fourth Proportional to 351,421.18, 527,164.16 and 114,765.10

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Solution

The fourth proportional to 351,421.18, 527,164.16 and 114,765.10 is: 172,158.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,421.18 : 527,164.16 = 114,765.10 : x
  2. Step 2: Convert to fraction form
    351,421.18/527,164.16 = 114,765.10/x
  3. Step 3: Cross multiply
    351,421.18x = 527,164.16 × 114,765.10
  4. Step 4: Simplify right side
    351,421.18x = 60,500,047,538.82
  5. Step 5: Solve for x
    x = 60,500,047,538.82/351,421.18
  6. Step 6: Final answer
    x = 172,158.23

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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.