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Finding the Fourth Proportional to 222,868.26, 307,557 and 120,895.74

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Solution

The fourth proportional to 222,868.26, 307,557 and 120,895.74 is: 166,835.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,868.26 : 307,557 = 120,895.74 : x
  2. Step 2: Convert to fraction form
    222,868.26/307,557 = 120,895.74/x
  3. Step 3: Cross multiply
    222,868.26x = 307,557 × 120,895.74
  4. Step 4: Simplify right side
    222,868.26x = 37,182,331,107.18
  5. Step 5: Solve for x
    x = 37,182,331,107.18/222,868.26
  6. Step 6: Final answer
    x = 166,835.47

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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.