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Finding the Fourth Proportional to 133,907.68, 200,856.66 and 40,411

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Solution

The fourth proportional to 133,907.68, 200,856.66 and 40,411 is: 60,615.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,907.68 : 200,856.66 = 40,411 : x
  2. Step 2: Convert to fraction form
    133,907.68/200,856.66 = 40,411/x
  3. Step 3: Cross multiply
    133,907.68x = 200,856.66 × 40,411
  4. Step 4: Simplify right side
    133,907.68x = 8,116,818,487.26
  5. Step 5: Solve for x
    x = 8,116,818,487.26/133,907.68
  6. Step 6: Final answer
    x = 60,615.03

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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.