Home / 307,586.70-461,216.03-129,892.95

Finding the Fourth Proportional to 307,586.70, 461,216.03 and 129,892.95

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Solution

The fourth proportional to 307,586.70, 461,216.03 and 129,892.95 is: 194,770.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,586.70 : 461,216.03 = 129,892.95 : x
  2. Step 2: Convert to fraction form
    307,586.70/461,216.03 = 129,892.95/x
  3. Step 3: Cross multiply
    307,586.70x = 461,216.03 × 129,892.95
  4. Step 4: Simplify right side
    307,586.70x = 59,908,710,074.52
  5. Step 5: Solve for x
    x = 59,908,710,074.52/307,586.70
  6. Step 6: Final answer
    x = 194,770.16

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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.