Home / 351,530.28-527,310-102,212.28

Finding the Fourth Proportional to 351,530.28, 527,310 and 102,212.28

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Solution

The fourth proportional to 351,530.28, 527,310 and 102,212.28 is: 153,322.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,530.28 : 527,310 = 102,212.28 : x
  2. Step 2: Convert to fraction form
    351,530.28/527,310 = 102,212.28/x
  3. Step 3: Cross multiply
    351,530.28x = 527,310 × 102,212.28
  4. Step 4: Simplify right side
    351,530.28x = 53,897,557,366.80
  5. Step 5: Solve for x
    x = 53,897,557,366.80/351,530.28
  6. Step 6: Final answer
    x = 153,322.66

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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.