Home / 209,221.08-288,960.30-162,045.24

Finding the Fourth Proportional to 209,221.08, 288,960.30 and 162,045.24

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Solution

The fourth proportional to 209,221.08, 288,960.30 and 162,045.24 is: 223,804.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,221.08 : 288,960.30 = 162,045.24 : x
  2. Step 2: Convert to fraction form
    209,221.08/288,960.30 = 162,045.24/x
  3. Step 3: Cross multiply
    209,221.08x = 288,960.30 × 162,045.24
  4. Step 4: Simplify right side
    209,221.08x = 46,824,641,163.97
  5. Step 5: Solve for x
    x = 46,824,641,163.97/209,221.08
  6. Step 6: Final answer
    x = 223,804.60

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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.