Home / 370,474.02-511,250.94-200,707.74

Finding the Fourth Proportional to 370,474.02, 511,250.94 and 200,707.74

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Solution

The fourth proportional to 370,474.02, 511,250.94 and 200,707.74 is: 276,974.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,474.02 : 511,250.94 = 200,707.74 : x
  2. Step 2: Convert to fraction form
    370,474.02/511,250.94 = 200,707.74/x
  3. Step 3: Cross multiply
    370,474.02x = 511,250.94 × 200,707.74
  4. Step 4: Simplify right side
    370,474.02x = 102,612,020,740.28
  5. Step 5: Solve for x
    x = 102,612,020,740.28/370,474.02
  6. Step 6: Final answer
    x = 276,974.94

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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.