Home / 514,046.56-771,290.37-198,724.90

Finding the Fourth Proportional to 514,046.56, 771,290.37 and 198,724.90

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Solution

The fourth proportional to 514,046.56, 771,290.37 and 198,724.90 is: 298,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,046.56 : 771,290.37 = 198,724.90 : x
  2. Step 2: Convert to fraction form
    514,046.56/771,290.37 = 198,724.90/x
  3. Step 3: Cross multiply
    514,046.56x = 771,290.37 × 198,724.90
  4. Step 4: Simplify right side
    514,046.56x = 153,274,601,649.21
  5. Step 5: Solve for x
    x = 153,274,601,649.21/514,046.56
  6. Step 6: Final answer
    x = 298,172.60

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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.