Home / 245,272.60-338,598.66-160,519.12

Finding the Fourth Proportional to 245,272.60, 338,598.66 and 160,519.12

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Solution

The fourth proportional to 245,272.60, 338,598.66 and 160,519.12 is: 221,596.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,272.60 : 338,598.66 = 160,519.12 : x
  2. Step 2: Convert to fraction form
    245,272.60/338,598.66 = 160,519.12/x
  3. Step 3: Cross multiply
    245,272.60x = 338,598.66 × 160,519.12
  4. Step 4: Simplify right side
    245,272.60x = 54,351,558,936.38
  5. Step 5: Solve for x
    x = 54,351,558,936.38/245,272.60
  6. Step 6: Final answer
    x = 221,596.54

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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.