Home / 303,532.20-455,298.30-93,142.80

Finding the Fourth Proportional to 303,532.20, 455,298.30 and 93,142.80

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Solution

The fourth proportional to 303,532.20, 455,298.30 and 93,142.80 is: 139,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,532.20 : 455,298.30 = 93,142.80 : x
  2. Step 2: Convert to fraction form
    303,532.20/455,298.30 = 93,142.80/x
  3. Step 3: Cross multiply
    303,532.20x = 455,298.30 × 93,142.80
  4. Step 4: Simplify right side
    303,532.20x = 42,407,758,497.24
  5. Step 5: Solve for x
    x = 42,407,758,497.24/303,532.20
  6. Step 6: Final answer
    x = 139,714.20

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Similar ratio
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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.