Home / 351,376.31-526,727.75-148,693.60

Finding the Fourth Proportional to 351,376.31, 526,727.75 and 148,693.60

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Solution

The fourth proportional to 351,376.31, 526,727.75 and 148,693.60 is: 222,897.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,376.31 : 526,727.75 = 148,693.60 : x
  2. Step 2: Convert to fraction form
    351,376.31/526,727.75 = 148,693.60/x
  3. Step 3: Cross multiply
    351,376.31x = 526,727.75 × 148,693.60
  4. Step 4: Simplify right side
    351,376.31x = 78,321,044,422.31
  5. Step 5: Solve for x
    x = 78,321,044,422.31/351,376.31
  6. Step 6: Final answer
    x = 222,897.91

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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.