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Finding the Fourth Proportional to 352,748.51, 486,606.35 and 223,458.87

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Solution

The fourth proportional to 352,748.51, 486,606.35 and 223,458.87 is: 308,255.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,748.51 : 486,606.35 = 223,458.87 : x
  2. Step 2: Convert to fraction form
    352,748.51/486,606.35 = 223,458.87/x
  3. Step 3: Cross multiply
    352,748.51x = 486,606.35 × 223,458.87
  4. Step 4: Simplify right side
    352,748.51x = 108,736,503,988.53
  5. Step 5: Solve for x
    x = 108,736,503,988.53/352,748.51
  6. Step 6: Final answer
    x = 308,255.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.