Home / 245,554.60-338,919.78-160,623.40

Finding the Fourth Proportional to 245,554.60, 338,919.78 and 160,623.40

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Solution

The fourth proportional to 245,554.60, 338,919.78 and 160,623.40 is: 221,695.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,554.60 : 338,919.78 = 160,623.40 : x
  2. Step 2: Convert to fraction form
    245,554.60/338,919.78 = 160,623.40/x
  3. Step 3: Cross multiply
    245,554.60x = 338,919.78 × 160,623.40
  4. Step 4: Simplify right side
    245,554.60x = 54,438,447,390.85
  5. Step 5: Solve for x
    x = 54,438,447,390.85/245,554.60
  6. Step 6: Final answer
    x = 221,695.90

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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.