Home / 209,972.88-314,608.68-147,531.60

Finding the Fourth Proportional to 209,972.88, 314,608.68 and 147,531.60

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Solution

The fourth proportional to 209,972.88, 314,608.68 and 147,531.60 is: 221,051.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,972.88 : 314,608.68 = 147,531.60 : x
  2. Step 2: Convert to fraction form
    209,972.88/314,608.68 = 147,531.60/x
  3. Step 3: Cross multiply
    209,972.88x = 314,608.68 × 147,531.60
  4. Step 4: Simplify right side
    209,972.88x = 46,414,721,934.29
  5. Step 5: Solve for x
    x = 46,414,721,934.29/209,972.88
  6. Step 6: Final answer
    x = 221,051.03

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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.