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Finding the Fourth Proportional to 161,333.40, 242,000.10 and 155,209.80

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Solution

The fourth proportional to 161,333.40, 242,000.10 and 155,209.80 is: 232,814.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,333.40 : 242,000.10 = 155,209.80 : x
  2. Step 2: Convert to fraction form
    161,333.40/242,000.10 = 155,209.80/x
  3. Step 3: Cross multiply
    161,333.40x = 242,000.10 × 155,209.80
  4. Step 4: Simplify right side
    161,333.40x = 37,560,787,120.98
  5. Step 5: Solve for x
    x = 37,560,787,120.98/161,333.40
  6. Step 6: Final answer
    x = 232,814.70

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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.