Home / 222,831.24-334,459.12-138,335.72

Finding the Fourth Proportional to 222,831.24, 334,459.12 and 138,335.72

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Solution

The fourth proportional to 222,831.24, 334,459.12 and 138,335.72 is: 207,635.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,831.24 : 334,459.12 = 138,335.72 : x
  2. Step 2: Convert to fraction form
    222,831.24/334,459.12 = 138,335.72/x
  3. Step 3: Cross multiply
    222,831.24x = 334,459.12 × 138,335.72
  4. Step 4: Simplify right side
    222,831.24x = 46,267,643,175.77
  5. Step 5: Solve for x
    x = 46,267,643,175.77/222,831.24
  6. Step 6: Final answer
    x = 207,635.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.