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Finding the Fourth Proportional to 240,021, 331,228.98 and 134,037

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Solution

The fourth proportional to 240,021, 331,228.98 and 134,037 is: 184,971.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,021 : 331,228.98 = 134,037 : x
  2. Step 2: Convert to fraction form
    240,021/331,228.98 = 134,037/x
  3. Step 3: Cross multiply
    240,021x = 331,228.98 × 134,037
  4. Step 4: Simplify right side
    240,021x = 44,396,938,792.26
  5. Step 5: Solve for x
    x = 44,396,938,792.26/240,021
  6. Step 6: Final answer
    x = 184,971.06

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1.5x scale

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.