Home / 340,831.10-511,246.65-88,111.10

Finding the Fourth Proportional to 340,831.10, 511,246.65 and 88,111.10

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Solution

The fourth proportional to 340,831.10, 511,246.65 and 88,111.10 is: 132,166.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,831.10 : 511,246.65 = 88,111.10 : x
  2. Step 2: Convert to fraction form
    340,831.10/511,246.65 = 88,111.10/x
  3. Step 3: Cross multiply
    340,831.10x = 511,246.65 × 88,111.10
  4. Step 4: Simplify right side
    340,831.10x = 45,046,504,702.82
  5. Step 5: Solve for x
    x = 45,046,504,702.82/340,831.10
  6. Step 6: Final answer
    x = 132,166.65

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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.