Home / 376,965.88-565,301.19-140,179.39

Finding the Fourth Proportional to 376,965.88, 565,301.19 and 140,179.39

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Solution

The fourth proportional to 376,965.88, 565,301.19 and 140,179.39 is: 210,214.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,965.88 : 565,301.19 = 140,179.39 : x
  2. Step 2: Convert to fraction form
    376,965.88/565,301.19 = 140,179.39/x
  3. Step 3: Cross multiply
    376,965.88x = 565,301.19 × 140,179.39
  4. Step 4: Simplify right side
    376,965.88x = 79,243,575,980.47
  5. Step 5: Solve for x
    x = 79,243,575,980.47/376,965.88
  6. Step 6: Final answer
    x = 210,214.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.