Home / 371,747.34-513,012.69-201,981.46

Finding the Fourth Proportional to 371,747.34, 513,012.69 and 201,981.46

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Solution

The fourth proportional to 371,747.34, 513,012.69 and 201,981.46 is: 278,735.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,747.34 : 513,012.69 = 201,981.46 : x
  2. Step 2: Convert to fraction form
    371,747.34/513,012.69 = 201,981.46/x
  3. Step 3: Cross multiply
    371,747.34x = 513,012.69 × 201,981.46
  4. Step 4: Simplify right side
    371,747.34x = 103,619,052,124.73
  5. Step 5: Solve for x
    x = 103,619,052,124.73/371,747.34
  6. Step 6: Final answer
    x = 278,735.15

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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.