Home / 205,731.01-308,594.28-156,115.81

Finding the Fourth Proportional to 205,731.01, 308,594.28 and 156,115.81

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Solution

The fourth proportional to 205,731.01, 308,594.28 and 156,115.81 is: 234,172.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,731.01 : 308,594.28 = 156,115.81 : x
  2. Step 2: Convert to fraction form
    205,731.01/308,594.28 = 156,115.81/x
  3. Step 3: Cross multiply
    205,731.01x = 308,594.28 × 156,115.81
  4. Step 4: Simplify right side
    205,731.01x = 48,176,445,983.57
  5. Step 5: Solve for x
    x = 48,176,445,983.57/205,731.01
  6. Step 6: Final answer
    x = 234,172.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.