Home / 230,236.43-317,726.78-133,458.95

Finding the Fourth Proportional to 230,236.43, 317,726.78 and 133,458.95

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Solution

The fourth proportional to 230,236.43, 317,726.78 and 133,458.95 is: 184,173.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,236.43 : 317,726.78 = 133,458.95 : x
  2. Step 2: Convert to fraction form
    230,236.43/317,726.78 = 133,458.95/x
  3. Step 3: Cross multiply
    230,236.43x = 317,726.78 × 133,458.95
  4. Step 4: Simplify right side
    230,236.43x = 42,403,482,572.70
  5. Step 5: Solve for x
    x = 42,403,482,572.70/230,236.43
  6. Step 6: Final answer
    x = 184,173.64

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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.