Home / 492,074.20-738,111.30-159,650.20

Finding the Fourth Proportional to 492,074.20, 738,111.30 and 159,650.20

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Solution

The fourth proportional to 492,074.20, 738,111.30 and 159,650.20 is: 239,475.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,074.20 : 738,111.30 = 159,650.20 : x
  2. Step 2: Convert to fraction form
    492,074.20/738,111.30 = 159,650.20/x
  3. Step 3: Cross multiply
    492,074.20x = 738,111.30 × 159,650.20
  4. Step 4: Simplify right side
    492,074.20x = 117,839,616,667.26
  5. Step 5: Solve for x
    x = 117,839,616,667.26/492,074.20
  6. Step 6: Final answer
    x = 239,475.30

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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.