Home / 226,281.54-312,258.43-135,687.50

Finding the Fourth Proportional to 226,281.54, 312,258.43 and 135,687.50

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Solution

The fourth proportional to 226,281.54, 312,258.43 and 135,687.50 is: 187,242.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,281.54 : 312,258.43 = 135,687.50 : x
  2. Step 2: Convert to fraction form
    226,281.54/312,258.43 = 135,687.50/x
  3. Step 3: Cross multiply
    226,281.54x = 312,258.43 × 135,687.50
  4. Step 4: Simplify right side
    226,281.54x = 42,369,565,720.63
  5. Step 5: Solve for x
    x = 42,369,565,720.63/226,281.54
  6. Step 6: Final answer
    x = 187,242.70

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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.