Home / 220,352.02-302,105.41-216,366.21

Finding the Fourth Proportional to 220,352.02, 302,105.41 and 216,366.21

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Solution

The fourth proportional to 220,352.02, 302,105.41 and 216,366.21 is: 296,640.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,352.02 : 302,105.41 = 216,366.21 : x
  2. Step 2: Convert to fraction form
    220,352.02/302,105.41 = 216,366.21/x
  3. Step 3: Cross multiply
    220,352.02x = 302,105.41 × 216,366.21
  4. Step 4: Simplify right side
    220,352.02x = 65,365,402,041.28
  5. Step 5: Solve for x
    x = 65,365,402,041.28/220,352.02
  6. Step 6: Final answer
    x = 296,640.81

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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.