Home / 245,028.84-338,176.40-149,590.48

Finding the Fourth Proportional to 245,028.84, 338,176.40 and 149,590.48

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Solution

The fourth proportional to 245,028.84, 338,176.40 and 149,590.48 is: 206,457.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,028.84 : 338,176.40 = 149,590.48 : x
  2. Step 2: Convert to fraction form
    245,028.84/338,176.40 = 149,590.48/x
  3. Step 3: Cross multiply
    245,028.84x = 338,176.40 × 149,590.48
  4. Step 4: Simplify right side
    245,028.84x = 50,587,970,000.67
  5. Step 5: Solve for x
    x = 50,587,970,000.67/245,028.84
  6. Step 6: Final answer
    x = 206,457.21

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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.