Home / 537,718.20-806,577.30-143,734.20

Finding the Fourth Proportional to 537,718.20, 806,577.30 and 143,734.20

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Solution

The fourth proportional to 537,718.20, 806,577.30 and 143,734.20 is: 215,601.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,718.20 : 806,577.30 = 143,734.20 : x
  2. Step 2: Convert to fraction form
    537,718.20/806,577.30 = 143,734.20/x
  3. Step 3: Cross multiply
    537,718.20x = 806,577.30 × 143,734.20
  4. Step 4: Simplify right side
    537,718.20x = 115,932,742,953.66
  5. Step 5: Solve for x
    x = 115,932,742,953.66/537,718.20
  6. Step 6: Final answer
    x = 215,601.30

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Similar ratio
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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.