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Finding the Fourth Proportional to 151,252, 227,018.28 and 76,424.70

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Solution

The fourth proportional to 151,252, 227,018.28 and 76,424.70 is: 114,707.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,252 : 227,018.28 = 76,424.70 : x
  2. Step 2: Convert to fraction form
    151,252/227,018.28 = 76,424.70/x
  3. Step 3: Cross multiply
    151,252x = 227,018.28 × 76,424.70
  4. Step 4: Simplify right side
    151,252x = 17,349,803,943.52
  5. Step 5: Solve for x
    x = 17,349,803,943.52/151,252
  6. Step 6: Final answer
    x = 114,707.93

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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.