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Finding the Fourth Proportional to 370,477.01, 511,258.80 and 200,711.13

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Solution

The fourth proportional to 370,477.01, 511,258.80 and 200,711.13 is: 276,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,477.01 : 511,258.80 = 200,711.13 : x
  2. Step 2: Convert to fraction form
    370,477.01/511,258.80 = 200,711.13/x
  3. Step 3: Cross multiply
    370,477.01x = 511,258.80 × 200,711.13
  4. Step 4: Simplify right side
    370,477.01x = 102,615,331,470.44
  5. Step 5: Solve for x
    x = 102,615,331,470.44/370,477.01
  6. Step 6: Final answer
    x = 276,981.65

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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.