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Finding the Fourth Proportional to 288,604.60, 398,016.48 and 181,184.62

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Solution

The fourth proportional to 288,604.60, 398,016.48 and 181,184.62 is: 249,872.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,604.60 : 398,016.48 = 181,184.62 : x
  2. Step 2: Convert to fraction form
    288,604.60/398,016.48 = 181,184.62/x
  3. Step 3: Cross multiply
    288,604.60x = 398,016.48 × 181,184.62
  4. Step 4: Simplify right side
    288,604.60x = 72,114,464,682.54
  5. Step 5: Solve for x
    x = 72,114,464,682.54/288,604.60
  6. Step 6: Final answer
    x = 249,872.89

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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.