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Finding the Fourth Proportional to 371,115.04, 511,800.60 and 313,874.38

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Solution

The fourth proportional to 371,115.04, 511,800.60 and 313,874.38 is: 432,860.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,115.04 : 511,800.60 = 313,874.38 : x
  2. Step 2: Convert to fraction form
    371,115.04/511,800.60 = 313,874.38/x
  3. Step 3: Cross multiply
    371,115.04x = 511,800.60 × 313,874.38
  4. Step 4: Simplify right side
    371,115.04x = 160,641,096,008.63
  5. Step 5: Solve for x
    x = 160,641,096,008.63/371,115.04
  6. Step 6: Final answer
    x = 432,860.65

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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.