Home / 220,350.89-302,103.87-216,365.09

Finding the Fourth Proportional to 220,350.89, 302,103.87 and 216,365.09

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Solution

The fourth proportional to 220,350.89, 302,103.87 and 216,365.09 is: 296,639.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,350.89 : 302,103.87 = 216,365.09 : x
  2. Step 2: Convert to fraction form
    220,350.89/302,103.87 = 216,365.09/x
  3. Step 3: Cross multiply
    220,350.89x = 302,103.87 × 216,365.09
  4. Step 4: Simplify right side
    220,350.89x = 65,364,729,511.38
  5. Step 5: Solve for x
    x = 65,364,729,511.38/220,350.89
  6. Step 6: Final answer
    x = 296,639.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.