Home / 307,560.48-424,475.40-180,286.80

Finding the Fourth Proportional to 307,560.48, 424,475.40 and 180,286.80

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Solution

The fourth proportional to 307,560.48, 424,475.40 and 180,286.80 is: 248,820.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,560.48 : 424,475.40 = 180,286.80 : x
  2. Step 2: Convert to fraction form
    307,560.48/424,475.40 = 180,286.80/x
  3. Step 3: Cross multiply
    307,560.48x = 424,475.40 × 180,286.80
  4. Step 4: Simplify right side
    307,560.48x = 76,527,311,544.72
  5. Step 5: Solve for x
    x = 76,527,311,544.72/307,560.48
  6. Step 6: Final answer
    x = 248,820.37

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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.