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Finding the Fourth Proportional to 542,164.01, 748,180.35 and 297,150.75

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Solution

The fourth proportional to 542,164.01, 748,180.35 and 297,150.75 is: 410,064.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,164.01 : 748,180.35 = 297,150.75 : x
  2. Step 2: Convert to fraction form
    542,164.01/748,180.35 = 297,150.75/x
  3. Step 3: Cross multiply
    542,164.01x = 748,180.35 × 297,150.75
  4. Step 4: Simplify right side
    542,164.01x = 222,322,352,137.76
  5. Step 5: Solve for x
    x = 222,322,352,137.76/542,164.01
  6. Step 6: Final answer
    x = 410,064.76

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Double scale
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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.