Home / 370,475.02-511,252.32-200,708.74

Finding the Fourth Proportional to 370,475.02, 511,252.32 and 200,708.74

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Solution

The fourth proportional to 370,475.02, 511,252.32 and 200,708.74 is: 276,976.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,475.02 : 511,252.32 = 200,708.74 : x
  2. Step 2: Convert to fraction form
    370,475.02/511,252.32 = 200,708.74/x
  3. Step 3: Cross multiply
    370,475.02x = 511,252.32 × 200,708.74
  4. Step 4: Simplify right side
    370,475.02x = 102,612,808,969.28
  5. Step 5: Solve for x
    x = 102,612,808,969.28/370,475.02
  6. Step 6: Final answer
    x = 276,976.32

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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.