Home / 319,157.61-440,432.24-175,930.98

Finding the Fourth Proportional to 319,157.61, 440,432.24 and 175,930.98

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Solution

The fourth proportional to 319,157.61, 440,432.24 and 175,930.98 is: 242,781.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,157.61 : 440,432.24 = 175,930.98 : x
  2. Step 2: Convert to fraction form
    319,157.61/440,432.24 = 175,930.98/x
  3. Step 3: Cross multiply
    319,157.61x = 440,432.24 × 175,930.98
  4. Step 4: Simplify right side
    319,157.61x = 77,485,675,606.80
  5. Step 5: Solve for x
    x = 77,485,675,606.80/319,157.61
  6. Step 6: Final answer
    x = 242,781.85

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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.