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Finding the Fourth Proportional to 217,937.04, 300,765.96 and 164,127.12

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Solution

The fourth proportional to 217,937.04, 300,765.96 and 164,127.12 is: 226,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,937.04 : 300,765.96 = 164,127.12 : x
  2. Step 2: Convert to fraction form
    217,937.04/300,765.96 = 164,127.12/x
  3. Step 3: Cross multiply
    217,937.04x = 300,765.96 × 164,127.12
  4. Step 4: Simplify right side
    217,937.04x = 49,363,850,808.84
  5. Step 5: Solve for x
    x = 49,363,850,808.84/217,937.04
  6. Step 6: Final answer
    x = 226,505.10

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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.