Home / 370,491.27-511,277.85-200,725.39

Finding the Fourth Proportional to 370,491.27, 511,277.85 and 200,725.39

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Solution

The fourth proportional to 370,491.27, 511,277.85 and 200,725.39 is: 277,000.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,491.27 : 511,277.85 = 200,725.39 : x
  2. Step 2: Convert to fraction form
    370,491.27/511,277.85 = 200,725.39/x
  3. Step 3: Cross multiply
    370,491.27x = 511,277.85 × 200,725.39
  4. Step 4: Simplify right side
    370,491.27x = 102,626,445,914.17
  5. Step 5: Solve for x
    x = 102,626,445,914.17/370,491.27
  6. Step 6: Final answer
    x = 277,000.99

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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.