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Finding the Fourth Proportional to 372,262.77, 558,182.30 and 254,077.29

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Solution

The fourth proportional to 372,262.77, 558,182.30 and 254,077.29 is: 380,971.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,262.77 : 558,182.30 = 254,077.29 : x
  2. Step 2: Convert to fraction form
    372,262.77/558,182.30 = 254,077.29/x
  3. Step 3: Cross multiply
    372,262.77x = 558,182.30 × 254,077.29
  4. Step 4: Simplify right side
    372,262.77x = 141,821,444,839.58
  5. Step 5: Solve for x
    x = 141,821,444,839.58/372,262.77
  6. Step 6: Final answer
    x = 380,971.34

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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.