Home / 235,449.20-324,918.60-133,494

Finding the Fourth Proportional to 235,449.20, 324,918.60 and 133,494

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Solution

The fourth proportional to 235,449.20, 324,918.60 and 133,494 is: 184,220.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,449.20 : 324,918.60 = 133,494 : x
  2. Step 2: Convert to fraction form
    235,449.20/324,918.60 = 133,494/x
  3. Step 3: Cross multiply
    235,449.20x = 324,918.60 × 133,494
  4. Step 4: Simplify right side
    235,449.20x = 43,374,683,588.40
  5. Step 5: Solve for x
    x = 43,374,683,588.40/235,449.20
  6. Step 6: Final answer
    x = 184,220.99

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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.