Home / 269,284.68-371,612.88-156,173.04

Finding the Fourth Proportional to 269,284.68, 371,612.88 and 156,173.04

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Solution

The fourth proportional to 269,284.68, 371,612.88 and 156,173.04 is: 215,518.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,284.68 : 371,612.88 = 156,173.04 : x
  2. Step 2: Convert to fraction form
    269,284.68/371,612.88 = 156,173.04/x
  3. Step 3: Cross multiply
    269,284.68x = 371,612.88 × 156,173.04
  4. Step 4: Simplify right side
    269,284.68x = 58,035,913,172.76
  5. Step 5: Solve for x
    x = 58,035,913,172.76/269,284.68
  6. Step 6: Final answer
    x = 215,518.81

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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.