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Finding the Fourth Proportional to 358,727.16, 495,024.80 and 222,758.20

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Solution

The fourth proportional to 358,727.16, 495,024.80 and 222,758.20 is: 307,394.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,727.16 : 495,024.80 = 222,758.20 : x
  2. Step 2: Convert to fraction form
    358,727.16/495,024.80 = 222,758.20/x
  3. Step 3: Cross multiply
    358,727.16x = 495,024.80 × 222,758.20
  4. Step 4: Simplify right side
    358,727.16x = 110,270,832,722.69
  5. Step 5: Solve for x
    x = 110,270,832,722.69/358,727.16
  6. Step 6: Final answer
    x = 307,394.71

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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.