Home / 353,928.52-488,528.07-240,816.88

Finding the Fourth Proportional to 353,928.52, 488,528.07 and 240,816.88

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Solution

The fourth proportional to 353,928.52, 488,528.07 and 240,816.88 is: 332,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,928.52 : 488,528.07 = 240,816.88 : x
  2. Step 2: Convert to fraction form
    353,928.52/488,528.07 = 240,816.88/x
  3. Step 3: Cross multiply
    353,928.52x = 488,528.07 × 240,816.88
  4. Step 4: Simplify right side
    353,928.52x = 117,645,805,609.82
  5. Step 5: Solve for x
    x = 117,645,805,609.82/353,928.52
  6. Step 6: Final answer
    x = 332,399.90

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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.