Home / 487,927.48-731,817.24-132,969.82

Finding the Fourth Proportional to 487,927.48, 731,817.24 and 132,969.82

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Solution

The fourth proportional to 487,927.48, 731,817.24 and 132,969.82 is: 199,434.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,927.48 : 731,817.24 = 132,969.82 : x
  2. Step 2: Convert to fraction form
    487,927.48/731,817.24 = 132,969.82/x
  3. Step 3: Cross multiply
    487,927.48x = 731,817.24 × 132,969.82
  4. Step 4: Simplify right side
    487,927.48x = 97,309,606,675.70
  5. Step 5: Solve for x
    x = 97,309,606,675.70/487,927.48
  6. Step 6: Final answer
    x = 199,434.57

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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.