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Finding the Fourth Proportional to 360,416.34, 540,540.68 and 135,799.29

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Solution

The fourth proportional to 360,416.34, 540,540.68 and 135,799.29 is: 203,667.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,416.34 : 540,540.68 = 135,799.29 : x
  2. Step 2: Convert to fraction form
    360,416.34/540,540.68 = 135,799.29/x
  3. Step 3: Cross multiply
    360,416.34x = 540,540.68 × 135,799.29
  4. Step 4: Simplify right side
    360,416.34x = 73,405,039,881.12
  5. Step 5: Solve for x
    x = 73,405,039,881.12/360,416.34
  6. Step 6: Final answer
    x = 203,667.35

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1.5x scale

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.