Home / 222,780.12-307,452.84-127,284.76

Finding the Fourth Proportional to 222,780.12, 307,452.84 and 127,284.76

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Solution

The fourth proportional to 222,780.12, 307,452.84 and 127,284.76 is: 175,662.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,780.12 : 307,452.84 = 127,284.76 : x
  2. Step 2: Convert to fraction form
    222,780.12/307,452.84 = 127,284.76/x
  3. Step 3: Cross multiply
    222,780.12x = 307,452.84 × 127,284.76
  4. Step 4: Simplify right side
    222,780.12x = 39,134,060,950.72
  5. Step 5: Solve for x
    x = 39,134,060,950.72/222,780.12
  6. Step 6: Final answer
    x = 175,662.27

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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.