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Finding the Fourth Proportional to 234,163.61, 322,926.45 and 155,442.34

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Solution

The fourth proportional to 234,163.61, 322,926.45 and 155,442.34 is: 214,364.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,163.61 : 322,926.45 = 155,442.34 : x
  2. Step 2: Convert to fraction form
    234,163.61/322,926.45 = 155,442.34/x
  3. Step 3: Cross multiply
    234,163.61x = 322,926.45 × 155,442.34
  4. Step 4: Simplify right side
    234,163.61x = 50,196,442,856.64
  5. Step 5: Solve for x
    x = 50,196,442,856.64/234,163.61
  6. Step 6: Final answer
    x = 214,364.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.