Home / 256,577.22-354,075.68-143,399.97

Finding the Fourth Proportional to 256,577.22, 354,075.68 and 143,399.97

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Solution

The fourth proportional to 256,577.22, 354,075.68 and 143,399.97 is: 197,891.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,577.22 : 354,075.68 = 143,399.97 : x
  2. Step 2: Convert to fraction form
    256,577.22/354,075.68 = 143,399.97/x
  3. Step 3: Cross multiply
    256,577.22x = 354,075.68 × 143,399.97
  4. Step 4: Simplify right side
    256,577.22x = 50,774,442,248.23
  5. Step 5: Solve for x
    x = 50,774,442,248.23/256,577.22
  6. Step 6: Final answer
    x = 197,891.47

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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.