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Finding the Fourth Proportional to 187,333.84, 280,713.48 and 127,285.84

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Solution

The fourth proportional to 187,333.84, 280,713.48 and 127,285.84 is: 190,733.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,333.84 : 280,713.48 = 127,285.84 : x
  2. Step 2: Convert to fraction form
    187,333.84/280,713.48 = 127,285.84/x
  3. Step 3: Cross multiply
    187,333.84x = 280,713.48 × 127,285.84
  4. Step 4: Simplify right side
    187,333.84x = 35,730,851,101.12
  5. Step 5: Solve for x
    x = 35,730,851,101.12/187,333.84
  6. Step 6: Final answer
    x = 190,733.56

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1.5x scale

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.