Home / 487,839.42-731,225.31-251,196.30

Finding the Fourth Proportional to 487,839.42, 731,225.31 and 251,196.30

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Solution

The fourth proportional to 487,839.42, 731,225.31 and 251,196.30 is: 376,519.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,839.42 : 731,225.31 = 251,196.30 : x
  2. Step 2: Convert to fraction form
    487,839.42/731,225.31 = 251,196.30/x
  3. Step 3: Cross multiply
    487,839.42x = 731,225.31 × 251,196.30
  4. Step 4: Simplify right side
    487,839.42x = 183,681,092,338.35
  5. Step 5: Solve for x
    x = 183,681,092,338.35/487,839.42
  6. Step 6: Final answer
    x = 376,519.58

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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.