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Finding the Fourth Proportional to 372,186.84, 558,068.84 and 254,001.36

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Solution

The fourth proportional to 372,186.84, 558,068.84 and 254,001.36 is: 380,857.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,186.84 : 558,068.84 = 254,001.36 : x
  2. Step 2: Convert to fraction form
    372,186.84/558,068.84 = 254,001.36/x
  3. Step 3: Cross multiply
    372,186.84x = 558,068.84 × 254,001.36
  4. Step 4: Simplify right side
    372,186.84x = 141,750,244,333.62
  5. Step 5: Solve for x
    x = 141,750,244,333.62/372,186.84
  6. Step 6: Final answer
    x = 380,857.76

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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.