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Finding the Fourth Proportional to 332,203.60, 498,305.40 and 290,731.60

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Solution

The fourth proportional to 332,203.60, 498,305.40 and 290,731.60 is: 436,097.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,203.60 : 498,305.40 = 290,731.60 : x
  2. Step 2: Convert to fraction form
    332,203.60/498,305.40 = 290,731.60/x
  3. Step 3: Cross multiply
    332,203.60x = 498,305.40 × 290,731.60
  4. Step 4: Simplify right side
    332,203.60x = 144,873,126,230.64
  5. Step 5: Solve for x
    x = 144,873,126,230.64/332,203.60
  6. Step 6: Final answer
    x = 436,097.40

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1.5x scale

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.