Home / 332,155.45-498,235.56-142,455.75

Finding the Fourth Proportional to 332,155.45, 498,235.56 and 142,455.75

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Solution

The fourth proportional to 332,155.45, 498,235.56 and 142,455.75 is: 213,684.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,155.45 : 498,235.56 = 142,455.75 : x
  2. Step 2: Convert to fraction form
    332,155.45/498,235.56 = 142,455.75/x
  3. Step 3: Cross multiply
    332,155.45x = 498,235.56 × 142,455.75
  4. Step 4: Simplify right side
    332,155.45x = 70,976,520,376.47
  5. Step 5: Solve for x
    x = 70,976,520,376.47/332,155.45
  6. Step 6: Final answer
    x = 213,684.65

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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.