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Finding the Fourth Proportional to 371,114.04, 511,799.22 and 313,873.38

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Solution

The fourth proportional to 371,114.04, 511,799.22 and 313,873.38 is: 432,859.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,114.04 : 511,799.22 = 313,873.38 : x
  2. Step 2: Convert to fraction form
    371,114.04/511,799.22 = 313,873.38/x
  3. Step 3: Cross multiply
    371,114.04x = 511,799.22 × 313,873.38
  4. Step 4: Simplify right side
    371,114.04x = 160,640,151,062.76
  5. Step 5: Solve for x
    x = 160,640,151,062.76/371,114.04
  6. Step 6: Final answer
    x = 432,859.27

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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.