Home / 370,966.96-511,934.38-209,818.54

Finding the Fourth Proportional to 370,966.96, 511,934.38 and 209,818.54

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Solution

The fourth proportional to 370,966.96, 511,934.38 and 209,818.54 is: 289,549.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,966.96 : 511,934.38 = 209,818.54 : x
  2. Step 2: Convert to fraction form
    370,966.96/511,934.38 = 209,818.54/x
  3. Step 3: Cross multiply
    370,966.96x = 511,934.38 × 209,818.54
  4. Step 4: Simplify right side
    370,966.96x = 107,413,324,187.41
  5. Step 5: Solve for x
    x = 107,413,324,187.41/370,966.96
  6. Step 6: Final answer
    x = 289,549.57

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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.