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Finding the Fourth Proportional to 324,051.80, 486,077.70 and 264,954.20

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Solution

The fourth proportional to 324,051.80, 486,077.70 and 264,954.20 is: 397,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,051.80 : 486,077.70 = 264,954.20 : x
  2. Step 2: Convert to fraction form
    324,051.80/486,077.70 = 264,954.20/x
  3. Step 3: Cross multiply
    324,051.80x = 486,077.70 × 264,954.20
  4. Step 4: Simplify right side
    324,051.80x = 128,788,328,141.34
  5. Step 5: Solve for x
    x = 128,788,328,141.34/324,051.80
  6. Step 6: Final answer
    x = 397,431.30

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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.