Home / 351,488.28-527,247-102,170.28

Finding the Fourth Proportional to 351,488.28, 527,247 and 102,170.28

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Solution

The fourth proportional to 351,488.28, 527,247 and 102,170.28 is: 153,259.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,488.28 : 527,247 = 102,170.28 : x
  2. Step 2: Convert to fraction form
    351,488.28/527,247 = 102,170.28/x
  3. Step 3: Cross multiply
    351,488.28x = 527,247 × 102,170.28
  4. Step 4: Simplify right side
    351,488.28x = 53,868,973,619.16
  5. Step 5: Solve for x
    x = 53,868,973,619.16/351,488.28
  6. Step 6: Final answer
    x = 153,259.66

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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.