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Finding the Fourth Proportional to 307,951.80, 461,927.70 and 181,462.20

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Solution

The fourth proportional to 307,951.80, 461,927.70 and 181,462.20 is: 272,193.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,951.80 : 461,927.70 = 181,462.20 : x
  2. Step 2: Convert to fraction form
    307,951.80/461,927.70 = 181,462.20/x
  3. Step 3: Cross multiply
    307,951.80x = 461,927.70 × 181,462.20
  4. Step 4: Simplify right side
    307,951.80x = 83,822,416,682.94
  5. Step 5: Solve for x
    x = 83,822,416,682.94/307,951.80
  6. Step 6: Final answer
    x = 272,193.30

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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.