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Finding the Fourth Proportional to 353,028, 486,843.36 and 232,271.76

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Solution

The fourth proportional to 353,028, 486,843.36 and 232,271.76 is: 320,314.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,028 : 486,843.36 = 232,271.76 : x
  2. Step 2: Convert to fraction form
    353,028/486,843.36 = 232,271.76/x
  3. Step 3: Cross multiply
    353,028x = 486,843.36 × 232,271.76
  4. Step 4: Simplify right side
    353,028x = 113,079,964,071.51
  5. Step 5: Solve for x
    x = 113,079,964,071.51/353,028
  6. Step 6: Final answer
    x = 320,314.43

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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.