Home / 303,323.20-454,984.80-103,613.65

Finding the Fourth Proportional to 303,323.20, 454,984.80 and 103,613.65

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Solution

The fourth proportional to 303,323.20, 454,984.80 and 103,613.65 is: 155,420.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,323.20 : 454,984.80 = 103,613.65 : x
  2. Step 2: Convert to fraction form
    303,323.20/454,984.80 = 103,613.65/x
  3. Step 3: Cross multiply
    303,323.20x = 454,984.80 × 103,613.65
  4. Step 4: Simplify right side
    303,323.20x = 47,142,635,822.52
  5. Step 5: Solve for x
    x = 47,142,635,822.52/303,323.20
  6. Step 6: Final answer
    x = 155,420.48

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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.