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Finding the Fourth Proportional to 370,476.92, 511,258.68 and 200,711.04

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Solution

The fourth proportional to 370,476.92, 511,258.68 and 200,711.04 is: 276,981.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,476.92 : 511,258.68 = 200,711.04 : x
  2. Step 2: Convert to fraction form
    370,476.92/511,258.68 = 200,711.04/x
  3. Step 3: Cross multiply
    370,476.92x = 511,258.68 × 200,711.04
  4. Step 4: Simplify right side
    370,476.92x = 102,615,261,371.83
  5. Step 5: Solve for x
    x = 102,615,261,371.83/370,476.92
  6. Step 6: Final answer
    x = 276,981.52

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1.5x scale

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.