Home / 331,724.25-497,586.90-100,915.26

Finding the Fourth Proportional to 331,724.25, 497,586.90 and 100,915.26

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Solution

The fourth proportional to 331,724.25, 497,586.90 and 100,915.26 is: 151,373.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,724.25 : 497,586.90 = 100,915.26 : x
  2. Step 2: Convert to fraction form
    331,724.25/497,586.90 = 100,915.26/x
  3. Step 3: Cross multiply
    331,724.25x = 497,586.90 × 100,915.26
  4. Step 4: Simplify right side
    331,724.25x = 50,214,111,386.09
  5. Step 5: Solve for x
    x = 50,214,111,386.09/331,724.25
  6. Step 6: Final answer
    x = 151,373.05

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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.