Home / 321,719.31-482,582.57-97,081.88

Finding the Fourth Proportional to 321,719.31, 482,582.57 and 97,081.88

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Solution

The fourth proportional to 321,719.31, 482,582.57 and 97,081.88 is: 145,623.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,719.31 : 482,582.57 = 97,081.88 : x
  2. Step 2: Convert to fraction form
    321,719.31/482,582.57 = 97,081.88/x
  3. Step 3: Cross multiply
    321,719.31x = 482,582.57 × 97,081.88
  4. Step 4: Simplify right side
    321,719.31x = 46,850,020,252.51
  5. Step 5: Solve for x
    x = 46,850,020,252.51/321,719.31
  6. Step 6: Final answer
    x = 145,623.90

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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.