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Finding the Fourth Proportional to 181,918.20, 272,877.30 and 181,918.20

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Solution

The fourth proportional to 181,918.20, 272,877.30 and 181,918.20 is: 272,877.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,918.20 : 272,877.30 = 181,918.20 : x
  2. Step 2: Convert to fraction form
    181,918.20/272,877.30 = 181,918.20/x
  3. Step 3: Cross multiply
    181,918.20x = 272,877.30 × 181,918.20
  4. Step 4: Simplify right side
    181,918.20x = 49,641,347,236.86
  5. Step 5: Solve for x
    x = 49,641,347,236.86/181,918.20
  6. Step 6: Final answer
    x = 272,877.30

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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.