Home / 292,136.28-438,229.51-102,580.36

Finding the Fourth Proportional to 292,136.28, 438,229.51 and 102,580.36

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Solution

The fourth proportional to 292,136.28, 438,229.51 and 102,580.36 is: 153,879.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,136.28 : 438,229.51 = 102,580.36 : x
  2. Step 2: Convert to fraction form
    292,136.28/438,229.51 = 102,580.36/x
  3. Step 3: Cross multiply
    292,136.28x = 438,229.51 × 102,580.36
  4. Step 4: Simplify right side
    292,136.28x = 44,953,740,898.42
  5. Step 5: Solve for x
    x = 44,953,740,898.42/292,136.28
  6. Step 6: Final answer
    x = 153,879.35

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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.