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Finding the Fourth Proportional to 288,007.80, 432,011.70 and 182,513.40

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Solution

The fourth proportional to 288,007.80, 432,011.70 and 182,513.40 is: 273,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,007.80 : 432,011.70 = 182,513.40 : x
  2. Step 2: Convert to fraction form
    288,007.80/432,011.70 = 182,513.40/x
  3. Step 3: Cross multiply
    288,007.80x = 432,011.70 × 182,513.40
  4. Step 4: Simplify right side
    288,007.80x = 78,847,924,206.78
  5. Step 5: Solve for x
    x = 78,847,924,206.78/288,007.80
  6. Step 6: Final answer
    x = 273,770.10

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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.