Home / 245,209.70-338,416.17-149,716.10

Finding the Fourth Proportional to 245,209.70, 338,416.17 and 149,716.10

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Solution

The fourth proportional to 245,209.70, 338,416.17 and 149,716.10 is: 206,624.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,209.70 : 338,416.17 = 149,716.10 : x
  2. Step 2: Convert to fraction form
    245,209.70/338,416.17 = 149,716.10/x
  3. Step 3: Cross multiply
    245,209.70x = 338,416.17 × 149,716.10
  4. Step 4: Simplify right side
    245,209.70x = 50,666,349,149.34
  5. Step 5: Solve for x
    x = 50,666,349,149.34/245,209.70
  6. Step 6: Final answer
    x = 206,624.57

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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.