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Finding the Fourth Proportional to 450,189.60, 675,148.22 and 236,839.89

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Solution

The fourth proportional to 450,189.60, 675,148.22 and 236,839.89 is: 355,188.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,189.60 : 675,148.22 = 236,839.89 : x
  2. Step 2: Convert to fraction form
    450,189.60/675,148.22 = 236,839.89/x
  3. Step 3: Cross multiply
    450,189.60x = 675,148.22 × 236,839.89
  4. Step 4: Simplify right side
    450,189.60x = 159,902,030,158.50
  5. Step 5: Solve for x
    x = 159,902,030,158.50/450,189.60
  6. Step 6: Final answer
    x = 355,188.19

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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.