Home / 341,083.16-511,406-141,541.28

Finding the Fourth Proportional to 341,083.16, 511,406 and 141,541.28

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Solution

The fourth proportional to 341,083.16, 511,406 and 141,541.28 is: 212,221.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,083.16 : 511,406 = 141,541.28 : x
  2. Step 2: Convert to fraction form
    341,083.16/511,406 = 141,541.28/x
  3. Step 3: Cross multiply
    341,083.16x = 511,406 × 141,541.28
  4. Step 4: Simplify right side
    341,083.16x = 72,385,059,839.68
  5. Step 5: Solve for x
    x = 72,385,059,839.68/341,083.16
  6. Step 6: Final answer
    x = 212,221.15

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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.