Home / 220,350.39-302,103.18-216,364.59

Finding the Fourth Proportional to 220,350.39, 302,103.18 and 216,364.59

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Solution

The fourth proportional to 220,350.39, 302,103.18 and 216,364.59 is: 296,638.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,350.39 : 302,103.18 = 216,364.59 : x
  2. Step 2: Convert to fraction form
    220,350.39/302,103.18 = 216,364.59/x
  3. Step 3: Cross multiply
    220,350.39x = 302,103.18 × 216,364.59
  4. Step 4: Simplify right side
    220,350.39x = 65,364,429,708.79
  5. Step 5: Solve for x
    x = 65,364,429,708.79/220,350.39
  6. Step 6: Final answer
    x = 296,638.59

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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.