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Finding the Fourth Proportional to 384,001.80, 576,002.70 and 134,651.40

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Solution

The fourth proportional to 384,001.80, 576,002.70 and 134,651.40 is: 201,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,001.80 : 576,002.70 = 134,651.40 : x
  2. Step 2: Convert to fraction form
    384,001.80/576,002.70 = 134,651.40/x
  3. Step 3: Cross multiply
    384,001.80x = 576,002.70 × 134,651.40
  4. Step 4: Simplify right side
    384,001.80x = 77,559,569,958.78
  5. Step 5: Solve for x
    x = 77,559,569,958.78/384,001.80
  6. Step 6: Final answer
    x = 201,977.10

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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.