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Finding the Fourth Proportional to 466,937.60, 700,406.40 and 218,105.60

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Solution

The fourth proportional to 466,937.60, 700,406.40 and 218,105.60 is: 327,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,937.60 : 700,406.40 = 218,105.60 : x
  2. Step 2: Convert to fraction form
    466,937.60/700,406.40 = 218,105.60/x
  3. Step 3: Cross multiply
    466,937.60x = 700,406.40 × 218,105.60
  4. Step 4: Simplify right side
    466,937.60x = 152,762,558,115.84
  5. Step 5: Solve for x
    x = 152,762,558,115.84/466,937.60
  6. Step 6: Final answer
    x = 327,158.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.