Home / 375,159.80-517,769.82-213,977.90

Finding the Fourth Proportional to 375,159.80, 517,769.82 and 213,977.90

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Solution

The fourth proportional to 375,159.80, 517,769.82 and 213,977.90 is: 295,317.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,159.80 : 517,769.82 = 213,977.90 : x
  2. Step 2: Convert to fraction form
    375,159.80/517,769.82 = 213,977.90/x
  3. Step 3: Cross multiply
    375,159.80x = 517,769.82 × 213,977.90
  4. Step 4: Simplify right side
    375,159.80x = 110,791,296,178.13
  5. Step 5: Solve for x
    x = 110,791,296,178.13/375,159.80
  6. Step 6: Final answer
    x = 295,317.62

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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.