Home / 376,637.85-519,849.90-215,585.96

Finding the Fourth Proportional to 376,637.85, 519,849.90 and 215,585.96

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Solution

The fourth proportional to 376,637.85, 519,849.90 and 215,585.96 is: 297,559.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,637.85 : 519,849.90 = 215,585.96 : x
  2. Step 2: Convert to fraction form
    376,637.85/519,849.90 = 215,585.96/x
  3. Step 3: Cross multiply
    376,637.85x = 519,849.90 × 215,585.96
  4. Step 4: Simplify right side
    376,637.85x = 112,072,337,148.16
  5. Step 5: Solve for x
    x = 112,072,337,148.16/376,637.85
  6. Step 6: Final answer
    x = 297,559.94

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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.