Home / 492,270.20-738,405.30-243,438.20

Finding the Fourth Proportional to 492,270.20, 738,405.30 and 243,438.20

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Solution

The fourth proportional to 492,270.20, 738,405.30 and 243,438.20 is: 365,157.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,270.20 : 738,405.30 = 243,438.20 : x
  2. Step 2: Convert to fraction form
    492,270.20/738,405.30 = 243,438.20/x
  3. Step 3: Cross multiply
    492,270.20x = 738,405.30 × 243,438.20
  4. Step 4: Simplify right side
    492,270.20x = 179,756,057,102.46
  5. Step 5: Solve for x
    x = 179,756,057,102.46/492,270.20
  6. Step 6: Final answer
    x = 365,157.30

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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.