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Finding the Fourth Proportional to 478,232.52, 660,278.52 and 297,214.56

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Solution

The fourth proportional to 478,232.52, 660,278.52 and 297,214.56 is: 410,353.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,232.52 : 660,278.52 = 297,214.56 : x
  2. Step 2: Convert to fraction form
    478,232.52/660,278.52 = 297,214.56/x
  3. Step 3: Cross multiply
    478,232.52x = 660,278.52 × 297,214.56
  4. Step 4: Simplify right side
    478,232.52x = 196,244,389,799.25
  5. Step 5: Solve for x
    x = 196,244,389,799.25/478,232.52
  6. Step 6: Final answer
    x = 410,353.50

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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.