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Finding the Fourth Proportional to 286,236.56, 428,862.77 and 223,032.26

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Solution

The fourth proportional to 286,236.56, 428,862.77 and 223,032.26 is: 334,164.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,236.56 : 428,862.77 = 223,032.26 : x
  2. Step 2: Convert to fraction form
    286,236.56/428,862.77 = 223,032.26/x
  3. Step 3: Cross multiply
    286,236.56x = 428,862.77 × 223,032.26
  4. Step 4: Simplify right side
    286,236.56x = 95,650,231,707.80
  5. Step 5: Solve for x
    x = 95,650,231,707.80/286,236.56
  6. Step 6: Final answer
    x = 334,164.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.