Home / 240,443.28-331,821.50-133,011.47

Finding the Fourth Proportional to 240,443.28, 331,821.50 and 133,011.47

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Solution

The fourth proportional to 240,443.28, 331,821.50 and 133,011.47 is: 183,561.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,443.28 : 331,821.50 = 133,011.47 : x
  2. Step 2: Convert to fraction form
    240,443.28/331,821.50 = 133,011.47/x
  3. Step 3: Cross multiply
    240,443.28x = 331,821.50 × 133,011.47
  4. Step 4: Simplify right side
    240,443.28x = 44,136,063,168.44
  5. Step 5: Solve for x
    x = 44,136,063,168.44/240,443.28
  6. Step 6: Final answer
    x = 183,561.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.