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Finding the Fourth Proportional to 295,908.54, 408,332.79 and 168,560.70

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Solution

The fourth proportional to 295,908.54, 408,332.79 and 168,560.70 is: 232,601.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,908.54 : 408,332.79 = 168,560.70 : x
  2. Step 2: Convert to fraction form
    295,908.54/408,332.79 = 168,560.70/x
  3. Step 3: Cross multiply
    295,908.54x = 408,332.79 × 168,560.70
  4. Step 4: Simplify right side
    295,908.54x = 68,828,860,915.35
  5. Step 5: Solve for x
    x = 68,828,860,915.35/295,908.54
  6. Step 6: Final answer
    x = 232,601.81

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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.