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Finding the Fourth Proportional to 370,884.29, 511,792.93 and 207,519.11

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Solution

The fourth proportional to 370,884.29, 511,792.93 and 207,519.11 is: 286,361.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,884.29 : 511,792.93 = 207,519.11 : x
  2. Step 2: Convert to fraction form
    370,884.29/511,792.93 = 207,519.11/x
  3. Step 3: Cross multiply
    370,884.29x = 511,792.93 × 207,519.11
  4. Step 4: Simplify right side
    370,884.29x = 106,206,815,836.39
  5. Step 5: Solve for x
    x = 106,206,815,836.39/370,884.29
  6. Step 6: Final answer
    x = 286,361.05

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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.