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Finding the Fourth Proportional to 295,684.96, 408,045.41 and 159,718.90

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Solution

The fourth proportional to 295,684.96, 408,045.41 and 159,718.90 is: 220,412.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,684.96 : 408,045.41 = 159,718.90 : x
  2. Step 2: Convert to fraction form
    295,684.96/408,045.41 = 159,718.90/x
  3. Step 3: Cross multiply
    295,684.96x = 408,045.41 × 159,718.90
  4. Step 4: Simplify right side
    295,684.96x = 65,172,564,035.25
  5. Step 5: Solve for x
    x = 65,172,564,035.25/295,684.96
  6. Step 6: Final answer
    x = 220,412.17

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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.