Home / 376,810.38-519,968.16-215,628.48

Finding the Fourth Proportional to 376,810.38, 519,968.16 and 215,628.48

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Solution

The fourth proportional to 376,810.38, 519,968.16 and 215,628.48 is: 297,550.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,810.38 : 519,968.16 = 215,628.48 : x
  2. Step 2: Convert to fraction form
    376,810.38/519,968.16 = 215,628.48/x
  3. Step 3: Cross multiply
    376,810.38x = 519,968.16 × 215,628.48
  4. Step 4: Simplify right side
    376,810.38x = 112,119,943,989.20
  5. Step 5: Solve for x
    x = 112,119,943,989.20/376,810.38
  6. Step 6: Final answer
    x = 297,550.04

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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.