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Finding the Fourth Proportional to 353,026, 486,840.60 and 232,269.76

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Solution

The fourth proportional to 353,026, 486,840.60 and 232,269.76 is: 320,311.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,026 : 486,840.60 = 232,269.76 : x
  2. Step 2: Convert to fraction form
    353,026/486,840.60 = 232,269.76/x
  3. Step 3: Cross multiply
    353,026x = 486,840.60 × 232,269.76
  4. Step 4: Simplify right side
    353,026x = 113,078,349,320.26
  5. Step 5: Solve for x
    x = 113,078,349,320.26/353,026
  6. Step 6: Final answer
    x = 320,311.67

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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.