Home / 376,795.38-519,947.46-215,613.48

Finding the Fourth Proportional to 376,795.38, 519,947.46 and 215,613.48

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Solution

The fourth proportional to 376,795.38, 519,947.46 and 215,613.48 is: 297,529.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,795.38 : 519,947.46 = 215,613.48 : x
  2. Step 2: Convert to fraction form
    376,795.38/519,947.46 = 215,613.48/x
  3. Step 3: Cross multiply
    376,795.38x = 519,947.46 × 215,613.48
  4. Step 4: Simplify right side
    376,795.38x = 112,107,681,267.76
  5. Step 5: Solve for x
    x = 112,107,681,267.76/376,795.38
  6. Step 6: Final answer
    x = 297,529.34

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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.