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Finding the Fourth Proportional to 253,611.25, 349,981.02 and 137,324.17

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Solution

The fourth proportional to 253,611.25, 349,981.02 and 137,324.17 is: 189,506.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,611.25 : 349,981.02 = 137,324.17 : x
  2. Step 2: Convert to fraction form
    253,611.25/349,981.02 = 137,324.17/x
  3. Step 3: Cross multiply
    253,611.25x = 349,981.02 × 137,324.17
  4. Step 4: Simplify right side
    253,611.25x = 48,060,853,087.25
  5. Step 5: Solve for x
    x = 48,060,853,087.25/253,611.25
  6. Step 6: Final answer
    x = 189,506.00

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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.