Home / 358,740.29-495,042.91-222,771.33

Finding the Fourth Proportional to 358,740.29, 495,042.91 and 222,771.33

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Solution

The fourth proportional to 358,740.29, 495,042.91 and 222,771.33 is: 307,412.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,740.29 : 495,042.91 = 222,771.33 : x
  2. Step 2: Convert to fraction form
    358,740.29/495,042.91 = 222,771.33/x
  3. Step 3: Cross multiply
    358,740.29x = 495,042.91 × 222,771.33
  4. Step 4: Simplify right side
    358,740.29x = 110,281,366,910.84
  5. Step 5: Solve for x
    x = 110,281,366,910.84/358,740.29
  6. Step 6: Final answer
    x = 307,412.83

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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.