Home / 222,776.10-307,447.31-127,280.75

Finding the Fourth Proportional to 222,776.10, 307,447.31 and 127,280.75

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Solution

The fourth proportional to 222,776.10, 307,447.31 and 127,280.75 is: 175,656.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,776.10 : 307,447.31 = 127,280.75 : x
  2. Step 2: Convert to fraction form
    222,776.10/307,447.31 = 127,280.75/x
  3. Step 3: Cross multiply
    222,776.10x = 307,447.31 × 127,280.75
  4. Step 4: Simplify right side
    222,776.10x = 39,132,122,983.25
  5. Step 5: Solve for x
    x = 39,132,122,983.25/222,776.10
  6. Step 6: Final answer
    x = 175,656.74

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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.