Home / 487,004.82-672,053.94-272,146.38

Finding the Fourth Proportional to 487,004.82, 672,053.94 and 272,146.38

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Solution

The fourth proportional to 487,004.82, 672,053.94 and 272,146.38 is: 375,554.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,004.82 : 672,053.94 = 272,146.38 : x
  2. Step 2: Convert to fraction form
    487,004.82/672,053.94 = 272,146.38/x
  3. Step 3: Cross multiply
    487,004.82x = 672,053.94 × 272,146.38
  4. Step 4: Simplify right side
    487,004.82x = 182,897,046,935.74
  5. Step 5: Solve for x
    x = 182,897,046,935.74/487,004.82
  6. Step 6: Final answer
    x = 375,554.90

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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.