Home / 387,262.22-580,478.02-187,307.54

Finding the Fourth Proportional to 387,262.22, 580,478.02 and 187,307.54

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Solution

The fourth proportional to 387,262.22, 580,478.02 and 187,307.54 is: 280,760.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,262.22 : 580,478.02 = 187,307.54 : x
  2. Step 2: Convert to fraction form
    387,262.22/580,478.02 = 187,307.54/x
  3. Step 3: Cross multiply
    387,262.22x = 580,478.02 × 187,307.54
  4. Step 4: Simplify right side
    387,262.22x = 108,727,910,547.20
  5. Step 5: Solve for x
    x = 108,727,910,547.20/387,262.22
  6. Step 6: Final answer
    x = 280,760.44

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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.