Home / 341,199.79-511,865.30-130,821.33

Finding the Fourth Proportional to 341,199.79, 511,865.30 and 130,821.33

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Solution

The fourth proportional to 341,199.79, 511,865.30 and 130,821.33 is: 196,257.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,199.79 : 511,865.30 = 130,821.33 : x
  2. Step 2: Convert to fraction form
    341,199.79/511,865.30 = 130,821.33/x
  3. Step 3: Cross multiply
    341,199.79x = 511,865.30 × 130,821.33
  4. Step 4: Simplify right side
    341,199.79x = 66,962,898,326.22
  5. Step 5: Solve for x
    x = 66,962,898,326.22/341,199.79
  6. Step 6: Final answer
    x = 196,257.15

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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.