Home / 427,915.89-590,542.38-236,929.30

Finding the Fourth Proportional to 427,915.89, 590,542.38 and 236,929.30

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Solution

The fourth proportional to 427,915.89, 590,542.38 and 236,929.30 is: 326,972.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,915.89 : 590,542.38 = 236,929.30 : x
  2. Step 2: Convert to fraction form
    427,915.89/590,542.38 = 236,929.30/x
  3. Step 3: Cross multiply
    427,915.89x = 590,542.38 × 236,929.30
  4. Step 4: Simplify right side
    427,915.89x = 139,916,791,237.38
  5. Step 5: Solve for x
    x = 139,916,791,237.38/427,915.89
  6. Step 6: Final answer
    x = 326,972.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.