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Finding the Fourth Proportional to 216,166.03, 325,870.47 and 201,715.49

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Solution

The fourth proportional to 216,166.03, 325,870.47 and 201,715.49 is: 304,086.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,166.03 : 325,870.47 = 201,715.49 : x
  2. Step 2: Convert to fraction form
    216,166.03/325,870.47 = 201,715.49/x
  3. Step 3: Cross multiply
    216,166.03x = 325,870.47 × 201,715.49
  4. Step 4: Simplify right side
    216,166.03x = 65,733,121,532.58
  5. Step 5: Solve for x
    x = 65,733,121,532.58/216,166.03
  6. Step 6: Final answer
    x = 304,086.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.