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Finding the Fourth Proportional to 398,350.08, 549,737.02 and 217,076.94

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Solution

The fourth proportional to 398,350.08, 549,737.02 and 217,076.94 is: 299,573.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,350.08 : 549,737.02 = 217,076.94 : x
  2. Step 2: Convert to fraction form
    398,350.08/549,737.02 = 217,076.94/x
  3. Step 3: Cross multiply
    398,350.08x = 549,737.02 × 217,076.94
  4. Step 4: Simplify right side
    398,350.08x = 119,335,230,106.32
  5. Step 5: Solve for x
    x = 119,335,230,106.32/398,350.08
  6. Step 6: Final answer
    x = 299,573.76

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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.