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Finding the Fourth Proportional to 288,604.59, 398,016.48 and 181,184.64

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Solution

The fourth proportional to 288,604.59, 398,016.48 and 181,184.64 is: 249,872.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,604.59 : 398,016.48 = 181,184.64 : x
  2. Step 2: Convert to fraction form
    288,604.59/398,016.48 = 181,184.64/x
  3. Step 3: Cross multiply
    288,604.59x = 398,016.48 × 181,184.64
  4. Step 4: Simplify right side
    288,604.59x = 72,114,472,642.87
  5. Step 5: Solve for x
    x = 72,114,472,642.87/288,604.59
  6. Step 6: Final answer
    x = 249,872.92

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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.