Home / 218,448.28-301,515.60-133,636.42

Finding the Fourth Proportional to 218,448.28, 301,515.60 and 133,636.42

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Solution

The fourth proportional to 218,448.28, 301,515.60 and 133,636.42 is: 184,453.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,448.28 : 301,515.60 = 133,636.42 : x
  2. Step 2: Convert to fraction form
    218,448.28/301,515.60 = 133,636.42/x
  3. Step 3: Cross multiply
    218,448.28x = 301,515.60 × 133,636.42
  4. Step 4: Simplify right side
    218,448.28x = 40,293,465,358.15
  5. Step 5: Solve for x
    x = 40,293,465,358.15/218,448.28
  6. Step 6: Final answer
    x = 184,453.11

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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.