Home / 307,934.87-462,151.08-130,566.42

Finding the Fourth Proportional to 307,934.87, 462,151.08 and 130,566.42

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Solution

The fourth proportional to 307,934.87, 462,151.08 and 130,566.42 is: 195,955.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,934.87 : 462,151.08 = 130,566.42 : x
  2. Step 2: Convert to fraction form
    307,934.87/462,151.08 = 130,566.42/x
  3. Step 3: Cross multiply
    307,934.87x = 462,151.08 × 130,566.42
  4. Step 4: Simplify right side
    307,934.87x = 60,341,412,014.73
  5. Step 5: Solve for x
    x = 60,341,412,014.73/307,934.87
  6. Step 6: Final answer
    x = 195,955.12

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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.