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Finding the Fourth Proportional to 361,692.08, 542,427.31 and 250,089.47

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Solution

The fourth proportional to 361,692.08, 542,427.31 and 250,089.47 is: 375,057.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,692.08 : 542,427.31 = 250,089.47 : x
  2. Step 2: Convert to fraction form
    361,692.08/542,427.31 = 250,089.47/x
  3. Step 3: Cross multiply
    361,692.08x = 542,427.31 × 250,089.47
  4. Step 4: Simplify right side
    361,692.08x = 135,655,358,603.83
  5. Step 5: Solve for x
    x = 135,655,358,603.83/361,692.08
  6. Step 6: Final answer
    x = 375,057.59

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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.