Home / 223,442.95-308,353.28-121,468.61

Finding the Fourth Proportional to 223,442.95, 308,353.28 and 121,468.61

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Solution

The fourth proportional to 223,442.95, 308,353.28 and 121,468.61 is: 167,627.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,442.95 : 308,353.28 = 121,468.61 : x
  2. Step 2: Convert to fraction form
    223,442.95/308,353.28 = 121,468.61/x
  3. Step 3: Cross multiply
    223,442.95x = 308,353.28 × 121,468.61
  4. Step 4: Simplify right side
    223,442.95x = 37,455,244,310.54
  5. Step 5: Solve for x
    x = 37,455,244,310.54/223,442.95
  6. Step 6: Final answer
    x = 167,627.77

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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.