Home / 286,002.39-394,678.03-158,675.25

Finding the Fourth Proportional to 286,002.39, 394,678.03 and 158,675.25

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Solution

The fourth proportional to 286,002.39, 394,678.03 and 158,675.25 is: 218,968.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,002.39 : 394,678.03 = 158,675.25 : x
  2. Step 2: Convert to fraction form
    286,002.39/394,678.03 = 158,675.25/x
  3. Step 3: Cross multiply
    286,002.39x = 394,678.03 × 158,675.25
  4. Step 4: Simplify right side
    286,002.39x = 62,625,635,079.76
  5. Step 5: Solve for x
    x = 62,625,635,079.76/286,002.39
  6. Step 6: Final answer
    x = 218,968.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.