Home / 453,864.20-680,796.30-121,440.20

Finding the Fourth Proportional to 453,864.20, 680,796.30 and 121,440.20

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Solution

The fourth proportional to 453,864.20, 680,796.30 and 121,440.20 is: 182,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,864.20 : 680,796.30 = 121,440.20 : x
  2. Step 2: Convert to fraction form
    453,864.20/680,796.30 = 121,440.20/x
  3. Step 3: Cross multiply
    453,864.20x = 680,796.30 × 121,440.20
  4. Step 4: Simplify right side
    453,864.20x = 82,676,038,831.26
  5. Step 5: Solve for x
    x = 82,676,038,831.26/453,864.20
  6. Step 6: Final answer
    x = 182,160.30

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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.