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Finding the Fourth Proportional to 370,473.95, 511,254.57 and 200,708.07

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Solution

The fourth proportional to 370,473.95, 511,254.57 and 200,708.07 is: 276,977.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,473.95 : 511,254.57 = 200,708.07 : x
  2. Step 2: Convert to fraction form
    370,473.95/511,254.57 = 200,708.07/x
  3. Step 3: Cross multiply
    370,473.95x = 511,254.57 × 200,708.07
  4. Step 4: Simplify right side
    370,473.95x = 102,612,917,019.84
  5. Step 5: Solve for x
    x = 102,612,917,019.84/370,473.95
  6. Step 6: Final answer
    x = 276,977.42

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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.