Home / 371,772.38-513,050.55-202,009.34

Finding the Fourth Proportional to 371,772.38, 513,050.55 and 202,009.34

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Solution

The fourth proportional to 371,772.38, 513,050.55 and 202,009.34 is: 278,775.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,772.38 : 513,050.55 = 202,009.34 : x
  2. Step 2: Convert to fraction form
    371,772.38/513,050.55 = 202,009.34/x
  3. Step 3: Cross multiply
    371,772.38x = 513,050.55 × 202,009.34
  4. Step 4: Simplify right side
    371,772.38x = 103,641,002,992.14
  5. Step 5: Solve for x
    x = 103,641,002,992.14/371,772.38
  6. Step 6: Final answer
    x = 278,775.42

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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.