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Finding the Fourth Proportional to 224,688.53, 310,072.29 and 127,887.66

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Solution

The fourth proportional to 224,688.53, 310,072.29 and 127,887.66 is: 176,486.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,688.53 : 310,072.29 = 127,887.66 : x
  2. Step 2: Convert to fraction form
    224,688.53/310,072.29 = 127,887.66/x
  3. Step 3: Cross multiply
    224,688.53x = 310,072.29 × 127,887.66
  4. Step 4: Simplify right side
    224,688.53x = 39,654,419,598.94
  5. Step 5: Solve for x
    x = 39,654,419,598.94/224,688.53
  6. Step 6: Final answer
    x = 176,486.17

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1.5x scale

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.