Home / 353,822.40-488,275.20-202,924.80

Finding the Fourth Proportional to 353,822.40, 488,275.20 and 202,924.80

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Solution

The fourth proportional to 353,822.40, 488,275.20 and 202,924.80 is: 280,036.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,822.40 : 488,275.20 = 202,924.80 : x
  2. Step 2: Convert to fraction form
    353,822.40/488,275.20 = 202,924.80/x
  3. Step 3: Cross multiply
    353,822.40x = 488,275.20 × 202,924.80
  4. Step 4: Simplify right side
    353,822.40x = 99,083,147,304.96
  5. Step 5: Solve for x
    x = 99,083,147,304.96/353,822.40
  6. Step 6: Final answer
    x = 280,036.39

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1.5x scale

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.