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Finding the Fourth Proportional to 433,246.80, 650,189.56 and 205,543.28

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Solution

The fourth proportional to 433,246.80, 650,189.56 and 205,543.28 is: 308,466.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,246.80 : 650,189.56 = 205,543.28 : x
  2. Step 2: Convert to fraction form
    433,246.80/650,189.56 = 205,543.28/x
  3. Step 3: Cross multiply
    433,246.80x = 650,189.56 × 205,543.28
  4. Step 4: Simplify right side
    433,246.80x = 133,642,094,784.16
  5. Step 5: Solve for x
    x = 133,642,094,784.16/433,246.80
  6. Step 6: Final answer
    x = 308,466.43

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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.