Home / 220,351.40-302,104.56-216,365.59

Finding the Fourth Proportional to 220,351.40, 302,104.56 and 216,365.59

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Solution

The fourth proportional to 220,351.40, 302,104.56 and 216,365.59 is: 296,639.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,351.40 : 302,104.56 = 216,365.59 : x
  2. Step 2: Convert to fraction form
    220,351.40/302,104.56 = 216,365.59/x
  3. Step 3: Cross multiply
    220,351.40x = 302,104.56 × 216,365.59
  4. Step 4: Simplify right side
    220,351.40x = 65,365,028,773.74
  5. Step 5: Solve for x
    x = 65,365,028,773.74/220,351.40
  6. Step 6: Final answer
    x = 296,639.96

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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.