Home / 198,212.39-297,319.28-57,971.01

Finding the Fourth Proportional to 198,212.39, 297,319.28 and 57,971.01

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Solution

The fourth proportional to 198,212.39, 297,319.28 and 57,971.01 is: 86,956.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,212.39 : 297,319.28 = 57,971.01 : x
  2. Step 2: Convert to fraction form
    198,212.39/297,319.28 = 57,971.01/x
  3. Step 3: Cross multiply
    198,212.39x = 297,319.28 × 57,971.01
  4. Step 4: Simplify right side
    198,212.39x = 17,235,898,664.22
  5. Step 5: Solve for x
    x = 17,235,898,664.22/198,212.39
  6. Step 6: Final answer
    x = 86,956.72

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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.