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Finding the Fourth Proportional to 174,980.21, 262,512.11 and 56,651.67

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Solution

The fourth proportional to 174,980.21, 262,512.11 and 56,651.67 is: 84,991.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,980.21 : 262,512.11 = 56,651.67 : x
  2. Step 2: Convert to fraction form
    174,980.21/262,512.11 = 56,651.67/x
  3. Step 3: Cross multiply
    174,980.21x = 262,512.11 × 56,651.67
  4. Step 4: Simplify right side
    174,980.21x = 14,871,749,568.35
  5. Step 5: Solve for x
    x = 14,871,749,568.35/174,980.21
  6. Step 6: Final answer
    x = 84,991.04

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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.