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Finding the Fourth Proportional to 187,309.84, 280,668.84 and 152,077.36

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Solution

The fourth proportional to 187,309.84, 280,668.84 and 152,077.36 is: 227,875.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,309.84 : 280,668.84 = 152,077.36 : x
  2. Step 2: Convert to fraction form
    187,309.84/280,668.84 = 152,077.36/x
  3. Step 3: Cross multiply
    187,309.84x = 280,668.84 × 152,077.36
  4. Step 4: Simplify right side
    187,309.84x = 42,683,376,221.46
  5. Step 5: Solve for x
    x = 42,683,376,221.46/187,309.84
  6. Step 6: Final answer
    x = 227,875.78

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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.