Home / 353,630.52-530,346.96-140,302.44

Finding the Fourth Proportional to 353,630.52, 530,346.96 and 140,302.44

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Solution

The fourth proportional to 353,630.52, 530,346.96 and 140,302.44 is: 210,414.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,630.52 : 530,346.96 = 140,302.44 : x
  2. Step 2: Convert to fraction form
    353,630.52/530,346.96 = 140,302.44/x
  3. Step 3: Cross multiply
    353,630.52x = 530,346.96 × 140,302.44
  4. Step 4: Simplify right side
    353,630.52x = 74,408,972,534.58
  5. Step 5: Solve for x
    x = 74,408,972,534.58/353,630.52
  6. Step 6: Final answer
    x = 210,414.45

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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.