Home / 216,408.15-324,630.68-56,505.29

Finding the Fourth Proportional to 216,408.15, 324,630.68 and 56,505.29

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Solution

The fourth proportional to 216,408.15, 324,630.68 and 56,505.29 is: 84,762.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,408.15 : 324,630.68 = 56,505.29 : x
  2. Step 2: Convert to fraction form
    216,408.15/324,630.68 = 56,505.29/x
  3. Step 3: Cross multiply
    216,408.15x = 324,630.68 × 56,505.29
  4. Step 4: Simplify right side
    216,408.15x = 18,343,348,810.62
  5. Step 5: Solve for x
    x = 18,343,348,810.62/216,408.15
  6. Step 6: Final answer
    x = 84,762.74

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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.