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Finding the Fourth Proportional to 233,308.20, 349,306.20 and 209,688.60

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Solution

The fourth proportional to 233,308.20, 349,306.20 and 209,688.60 is: 313,943.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,308.20 : 349,306.20 = 209,688.60 : x
  2. Step 2: Convert to fraction form
    233,308.20/349,306.20 = 209,688.60/x
  3. Step 3: Cross multiply
    233,308.20x = 349,306.20 × 209,688.60
  4. Step 4: Simplify right side
    233,308.20x = 73,245,528,049.32
  5. Step 5: Solve for x
    x = 73,245,528,049.32/233,308.20
  6. Step 6: Final answer
    x = 313,943.22

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