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Finding the Fourth Proportional to 295,918, 408,383.20 and 168,569.20

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Solution

The fourth proportional to 295,918, 408,383.20 and 168,569.20 is: 232,634.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,918 : 408,383.20 = 168,569.20 : x
  2. Step 2: Convert to fraction form
    295,918/408,383.20 = 168,569.20/x
  3. Step 3: Cross multiply
    295,918x = 408,383.20 × 168,569.20
  4. Step 4: Simplify right side
    295,918x = 68,840,829,317.44
  5. Step 5: Solve for x
    x = 68,840,829,317.44/295,918
  6. Step 6: Final answer
    x = 232,634.82

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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.