Home / 226,897.69-340,387.07-77,130.11

Finding the Fourth Proportional to 226,897.69, 340,387.07 and 77,130.11

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Solution

The fourth proportional to 226,897.69, 340,387.07 and 77,130.11 is: 115,708.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,897.69 : 340,387.07 = 77,130.11 : x
  2. Step 2: Convert to fraction form
    226,897.69/340,387.07 = 77,130.11/x
  3. Step 3: Cross multiply
    226,897.69x = 340,387.07 × 77,130.11
  4. Step 4: Simplify right side
    226,897.69x = 26,254,092,151.68
  5. Step 5: Solve for x
    x = 26,254,092,151.68/226,897.69
  6. Step 6: Final answer
    x = 115,708.94

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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.