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Finding the Fourth Proportional to 295,472.39, 443,347.02 and 145,630.96

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Solution

The fourth proportional to 295,472.39, 443,347.02 and 145,630.96 is: 218,514.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,472.39 : 443,347.02 = 145,630.96 : x
  2. Step 2: Convert to fraction form
    295,472.39/443,347.02 = 145,630.96/x
  3. Step 3: Cross multiply
    295,472.39x = 443,347.02 × 145,630.96
  4. Step 4: Simplify right side
    295,472.39x = 64,565,051,027.37
  5. Step 5: Solve for x
    x = 64,565,051,027.37/295,472.39
  6. Step 6: Final answer
    x = 218,514.67

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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.