Home / 403,567.31-556,948.15-222,279.19

Finding the Fourth Proportional to 403,567.31, 556,948.15 and 222,279.19

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Solution

The fourth proportional to 403,567.31, 556,948.15 and 222,279.19 is: 306,759.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,567.31 : 556,948.15 = 222,279.19 : x
  2. Step 2: Convert to fraction form
    403,567.31/556,948.15 = 222,279.19/x
  3. Step 3: Cross multiply
    403,567.31x = 556,948.15 × 222,279.19
  4. Step 4: Simplify right side
    403,567.31x = 123,797,982,956.25
  5. Step 5: Solve for x
    x = 123,797,982,956.25/403,567.31
  6. Step 6: Final answer
    x = 306,759.19

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1.5x scale

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.