Home / 375,371.12-518,012.28-205,608.08

Finding the Fourth Proportional to 375,371.12, 518,012.28 and 205,608.08

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Solution

The fourth proportional to 375,371.12, 518,012.28 and 205,608.08 is: 283,739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,371.12 : 518,012.28 = 205,608.08 : x
  2. Step 2: Convert to fraction form
    375,371.12/518,012.28 = 205,608.08/x
  3. Step 3: Cross multiply
    375,371.12x = 518,012.28 × 205,608.08
  4. Step 4: Simplify right side
    375,371.12x = 106,507,510,307.22
  5. Step 5: Solve for x
    x = 106,507,510,307.22/375,371.12
  6. Step 6: Final answer
    x = 283,739.22

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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.