Home / 405,319.80-608,045.04-124,836.96

Finding the Fourth Proportional to 405,319.80, 608,045.04 and 124,836.96

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Solution

The fourth proportional to 405,319.80, 608,045.04 and 124,836.96 is: 187,275.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,319.80 : 608,045.04 = 124,836.96 : x
  2. Step 2: Convert to fraction form
    405,319.80/608,045.04 = 124,836.96/x
  3. Step 3: Cross multiply
    405,319.80x = 608,045.04 × 124,836.96
  4. Step 4: Simplify right side
    405,319.80x = 75,906,494,336.68
  5. Step 5: Solve for x
    x = 75,906,494,336.68/405,319.80
  6. Step 6: Final answer
    x = 187,275.56

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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.