Home / 231,867.60-348,319.80-222,421.20

Finding the Fourth Proportional to 231,867.60, 348,319.80 and 222,421.20

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Solution

The fourth proportional to 231,867.60, 348,319.80 and 222,421.20 is: 334,129.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,867.60 : 348,319.80 = 222,421.20 : x
  2. Step 2: Convert to fraction form
    231,867.60/348,319.80 = 222,421.20/x
  3. Step 3: Cross multiply
    231,867.60x = 348,319.80 × 222,421.20
  4. Step 4: Simplify right side
    231,867.60x = 77,473,707,899.76
  5. Step 5: Solve for x
    x = 77,473,707,899.76/231,867.60
  6. Step 6: Final answer
    x = 334,129.08

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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.