Home / 201,815.70-302,723.55-170,322.90

Finding the Fourth Proportional to 201,815.70, 302,723.55 and 170,322.90

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Solution

The fourth proportional to 201,815.70, 302,723.55 and 170,322.90 is: 255,484.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,815.70 : 302,723.55 = 170,322.90 : x
  2. Step 2: Convert to fraction form
    201,815.70/302,723.55 = 170,322.90/x
  3. Step 3: Cross multiply
    201,815.70x = 302,723.55 × 170,322.90
  4. Step 4: Simplify right side
    201,815.70x = 51,560,752,934.30
  5. Step 5: Solve for x
    x = 51,560,752,934.30/201,815.70
  6. Step 6: Final answer
    x = 255,484.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.