Home / 259,867.03-358,960.67-209,071.12

Finding the Fourth Proportional to 259,867.03, 358,960.67 and 209,071.12

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Solution

The fourth proportional to 259,867.03, 358,960.67 and 209,071.12 is: 288,795.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,867.03 : 358,960.67 = 209,071.12 : x
  2. Step 2: Convert to fraction form
    259,867.03/358,960.67 = 209,071.12/x
  3. Step 3: Cross multiply
    259,867.03x = 358,960.67 × 209,071.12
  4. Step 4: Simplify right side
    259,867.03x = 75,048,309,312.85
  5. Step 5: Solve for x
    x = 75,048,309,312.85/259,867.03
  6. Step 6: Final answer
    x = 288,795.04

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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.