Home / 387,162.04-580,760.34-120,927.80

Finding the Fourth Proportional to 387,162.04, 580,760.34 and 120,927.80

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Solution

The fourth proportional to 387,162.04, 580,760.34 and 120,927.80 is: 181,397.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,162.04 : 580,760.34 = 120,927.80 : x
  2. Step 2: Convert to fraction form
    387,162.04/580,760.34 = 120,927.80/x
  3. Step 3: Cross multiply
    387,162.04x = 580,760.34 × 120,927.80
  4. Step 4: Simplify right side
    387,162.04x = 70,230,070,243.45
  5. Step 5: Solve for x
    x = 70,230,070,243.45/387,162.04
  6. Step 6: Final answer
    x = 181,397.10

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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.