Home / 370,428.27-511,191.02-200,662.39

Finding the Fourth Proportional to 370,428.27, 511,191.02 and 200,662.39

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Solution

The fourth proportional to 370,428.27, 511,191.02 and 200,662.39 is: 276,914.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,428.27 : 511,191.02 = 200,662.39 : x
  2. Step 2: Convert to fraction form
    370,428.27/511,191.02 = 200,662.39/x
  3. Step 3: Cross multiply
    370,428.27x = 511,191.02 × 200,662.39
  4. Step 4: Simplify right side
    370,428.27x = 102,576,811,819.74
  5. Step 5: Solve for x
    x = 102,576,811,819.74/370,428.27
  6. Step 6: Final answer
    x = 276,914.10

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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.