Home / 326,131.96-489,165.18-89,498.44

Finding the Fourth Proportional to 326,131.96, 489,165.18 and 89,498.44

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Solution

The fourth proportional to 326,131.96, 489,165.18 and 89,498.44 is: 134,238.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,131.96 : 489,165.18 = 89,498.44 : x
  2. Step 2: Convert to fraction form
    326,131.96/489,165.18 = 89,498.44/x
  3. Step 3: Cross multiply
    326,131.96x = 489,165.18 × 89,498.44
  4. Step 4: Simplify right side
    326,131.96x = 43,779,520,512.32
  5. Step 5: Solve for x
    x = 43,779,520,512.32/326,131.96
  6. Step 6: Final answer
    x = 134,238.67

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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.