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Finding the Fourth Proportional to 379,908.46, 569,863.76 and 155,268.93

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Solution

The fourth proportional to 379,908.46, 569,863.76 and 155,268.93 is: 232,903.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,908.46 : 569,863.76 = 155,268.93 : x
  2. Step 2: Convert to fraction form
    379,908.46/569,863.76 = 155,268.93/x
  3. Step 3: Cross multiply
    379,908.46x = 569,863.76 × 155,268.93
  4. Step 4: Simplify right side
    379,908.46x = 88,482,137,621.62
  5. Step 5: Solve for x
    x = 88,482,137,621.62/379,908.46
  6. Step 6: Final answer
    x = 232,903.84

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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.