Home / 387,262.09-580,051.93-187,162.83

Finding the Fourth Proportional to 387,262.09, 580,051.93 and 187,162.83

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Solution

The fourth proportional to 387,262.09, 580,051.93 and 187,162.83 is: 280,337.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,262.09 : 580,051.93 = 187,162.83 : x
  2. Step 2: Convert to fraction form
    387,262.09/580,051.93 = 187,162.83/x
  3. Step 3: Cross multiply
    387,262.09x = 580,051.93 × 187,162.83
  4. Step 4: Simplify right side
    387,262.09x = 108,564,160,765.76
  5. Step 5: Solve for x
    x = 108,564,160,765.76/387,262.09
  6. Step 6: Final answer
    x = 280,337.69

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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.