Home / 387,174.48-580,741.04-120,904.52

Finding the Fourth Proportional to 387,174.48, 580,741.04 and 120,904.52

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Solution

The fourth proportional to 387,174.48, 580,741.04 and 120,904.52 is: 181,350.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,174.48 : 580,741.04 = 120,904.52 : x
  2. Step 2: Convert to fraction form
    387,174.48/580,741.04 = 120,904.52/x
  3. Step 3: Cross multiply
    387,174.48x = 580,741.04 × 120,904.52
  4. Step 4: Simplify right side
    387,174.48x = 70,214,216,685.50
  5. Step 5: Solve for x
    x = 70,214,216,685.50/387,174.48
  6. Step 6: Final answer
    x = 181,350.32

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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.