Home / 371,299.50-556,960.20-90,816.75

Finding the Fourth Proportional to 371,299.50, 556,960.20 and 90,816.75

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Solution

The fourth proportional to 371,299.50, 556,960.20 and 90,816.75 is: 136,227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,299.50 : 556,960.20 = 90,816.75 : x
  2. Step 2: Convert to fraction form
    371,299.50/556,960.20 = 90,816.75/x
  3. Step 3: Cross multiply
    371,299.50x = 556,960.20 × 90,816.75
  4. Step 4: Simplify right side
    371,299.50x = 50,581,315,243.35
  5. Step 5: Solve for x
    x = 50,581,315,243.35/371,299.50
  6. Step 6: Final answer
    x = 136,227.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.