Home / 209,045.88-288,324.36-144,622.31

Finding the Fourth Proportional to 209,045.88, 288,324.36 and 144,622.31

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Solution

The fourth proportional to 209,045.88, 288,324.36 and 144,622.31 is: 199,468.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,045.88 : 288,324.36 = 144,622.31 : x
  2. Step 2: Convert to fraction form
    209,045.88/288,324.36 = 144,622.31/x
  3. Step 3: Cross multiply
    209,045.88x = 288,324.36 × 144,622.31
  4. Step 4: Simplify right side
    209,045.88x = 41,698,133,530.85
  5. Step 5: Solve for x
    x = 41,698,133,530.85/209,045.88
  6. Step 6: Final answer
    x = 199,468.81

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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.