Home / 353,254.26-487,503.72-202,380.42

Finding the Fourth Proportional to 353,254.26, 487,503.72 and 202,380.42

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Solution

The fourth proportional to 353,254.26, 487,503.72 and 202,380.42 is: 279,292.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,254.26 : 487,503.72 = 202,380.42 : x
  2. Step 2: Convert to fraction form
    353,254.26/487,503.72 = 202,380.42/x
  3. Step 3: Cross multiply
    353,254.26x = 487,503.72 × 202,380.42
  4. Step 4: Simplify right side
    353,254.26x = 98,661,207,605.16
  5. Step 5: Solve for x
    x = 98,661,207,605.16/353,254.26
  6. Step 6: Final answer
    x = 279,292.34

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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.