Home / 353,373.24-487,667.79-202,499.40

Finding the Fourth Proportional to 353,373.24, 487,667.79 and 202,499.40

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Solution

The fourth proportional to 353,373.24, 487,667.79 and 202,499.40 is: 279,456.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,373.24 : 487,667.79 = 202,499.40 : x
  2. Step 2: Convert to fraction form
    353,373.24/487,667.79 = 202,499.40/x
  3. Step 3: Cross multiply
    353,373.24x = 487,667.79 × 202,499.40
  4. Step 4: Simplify right side
    353,373.24x = 98,752,434,874.33
  5. Step 5: Solve for x
    x = 98,752,434,874.33/353,373.24
  6. Step 6: Final answer
    x = 279,456.46

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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.