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Finding the Fourth Proportional to 500,336.76, 750,278.56 and 215,893.08

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Solution

The fourth proportional to 500,336.76, 750,278.56 and 215,893.08 is: 323,741.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,336.76 : 750,278.56 = 215,893.08 : x
  2. Step 2: Convert to fraction form
    500,336.76/750,278.56 = 215,893.08/x
  3. Step 3: Cross multiply
    500,336.76x = 750,278.56 × 215,893.08
  4. Step 4: Simplify right side
    500,336.76x = 161,979,949,176.37
  5. Step 5: Solve for x
    x = 161,979,949,176.37/500,336.76
  6. Step 6: Final answer
    x = 323,741.85

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1.5x scale

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.