Home / 213,062.32-293,915.28-172,821.52

Finding the Fourth Proportional to 213,062.32, 293,915.28 and 172,821.52

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Solution

The fourth proportional to 213,062.32, 293,915.28 and 172,821.52 is: 238,403.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,062.32 : 293,915.28 = 172,821.52 : x
  2. Step 2: Convert to fraction form
    213,062.32/293,915.28 = 172,821.52/x
  3. Step 3: Cross multiply
    213,062.32x = 293,915.28 × 172,821.52
  4. Step 4: Simplify right side
    213,062.32x = 50,794,885,440.83
  5. Step 5: Solve for x
    x = 50,794,885,440.83/213,062.32
  6. Step 6: Final answer
    x = 238,403.89

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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.