Home / 209,219.58-288,958.23-162,043.74

Finding the Fourth Proportional to 209,219.58, 288,958.23 and 162,043.74

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Solution

The fourth proportional to 209,219.58, 288,958.23 and 162,043.74 is: 223,802.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,219.58 : 288,958.23 = 162,043.74 : x
  2. Step 2: Convert to fraction form
    209,219.58/288,958.23 = 162,043.74/x
  3. Step 3: Cross multiply
    209,219.58x = 288,958.23 × 162,043.74
  4. Step 4: Simplify right side
    209,219.58x = 46,823,872,292.98
  5. Step 5: Solve for x
    x = 46,823,872,292.98/209,219.58
  6. Step 6: Final answer
    x = 223,802.53

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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.