Home / 370,431.04-511,194.30-200,665.84

Finding the Fourth Proportional to 370,431.04, 511,194.30 and 200,665.84

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Solution

The fourth proportional to 370,431.04, 511,194.30 and 200,665.84 is: 276,918.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,431.04 : 511,194.30 = 200,665.84 : x
  2. Step 2: Convert to fraction form
    370,431.04/511,194.30 = 200,665.84/x
  3. Step 3: Cross multiply
    370,431.04x = 511,194.30 × 200,665.84
  4. Step 4: Simplify right side
    370,431.04x = 102,579,233,612.71
  5. Step 5: Solve for x
    x = 102,579,233,612.71/370,431.04
  6. Step 6: Final answer
    x = 276,918.57

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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.