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Finding the Fourth Proportional to 224,996.99, 310,573.98 and 129,541.73

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Solution

The fourth proportional to 224,996.99, 310,573.98 and 129,541.73 is: 178,812.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,996.99 : 310,573.98 = 129,541.73 : x
  2. Step 2: Convert to fraction form
    224,996.99/310,573.98 = 129,541.73/x
  3. Step 3: Cross multiply
    224,996.99x = 310,573.98 × 129,541.73
  4. Step 4: Simplify right side
    224,996.99x = 40,232,290,856.29
  5. Step 5: Solve for x
    x = 40,232,290,856.29/224,996.99
  6. Step 6: Final answer
    x = 178,812.57

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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.