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Finding the Fourth Proportional to 374,567.52, 561,856.45 and 121,849.33

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Solution

The fourth proportional to 374,567.52, 561,856.45 and 121,849.33 is: 182,775.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,567.52 : 561,856.45 = 121,849.33 : x
  2. Step 2: Convert to fraction form
    374,567.52/561,856.45 = 121,849.33/x
  3. Step 3: Cross multiply
    374,567.52x = 561,856.45 × 121,849.33
  4. Step 4: Simplify right side
    374,567.52x = 68,461,829,191.03
  5. Step 5: Solve for x
    x = 68,461,829,191.03/374,567.52
  6. Step 6: Final answer
    x = 182,775.67

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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.