Home / 226,442.62-312,507.15-135,796.94

Finding the Fourth Proportional to 226,442.62, 312,507.15 and 135,796.94

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Solution

The fourth proportional to 226,442.62, 312,507.15 and 135,796.94 is: 187,409.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,442.62 : 312,507.15 = 135,796.94 : x
  2. Step 2: Convert to fraction form
    226,442.62/312,507.15 = 135,796.94/x
  3. Step 3: Cross multiply
    226,442.62x = 312,507.15 × 135,796.94
  4. Step 4: Simplify right side
    226,442.62x = 42,437,513,798.25
  5. Step 5: Solve for x
    x = 42,437,513,798.25/226,442.62
  6. Step 6: Final answer
    x = 187,409.57

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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.