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Finding the Fourth Proportional to 214,630.62, 296,203.67 and 123,990.40

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Solution

The fourth proportional to 214,630.62, 296,203.67 and 123,990.40 is: 171,114.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,630.62 : 296,203.67 = 123,990.40 : x
  2. Step 2: Convert to fraction form
    214,630.62/296,203.67 = 123,990.40/x
  3. Step 3: Cross multiply
    214,630.62x = 296,203.67 × 123,990.40
  4. Step 4: Simplify right side
    214,630.62x = 36,726,411,524.77
  5. Step 5: Solve for x
    x = 36,726,411,524.77/214,630.62
  6. Step 6: Final answer
    x = 171,114.50

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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.