Home / 376,734.32-519,922.50-215,639.90

Finding the Fourth Proportional to 376,734.32, 519,922.50 and 215,639.90

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Solution

The fourth proportional to 376,734.32, 519,922.50 and 215,639.90 is: 297,599.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,734.32 : 519,922.50 = 215,639.90 : x
  2. Step 2: Convert to fraction form
    376,734.32/519,922.50 = 215,639.90/x
  3. Step 3: Cross multiply
    376,734.32x = 519,922.50 × 215,639.90
  4. Step 4: Simplify right side
    376,734.32x = 112,116,035,907.75
  5. Step 5: Solve for x
    x = 112,116,035,907.75/376,734.32
  6. Step 6: Final answer
    x = 297,599.74

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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.