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Finding the Fourth Proportional to 270,372.04, 405,654.45 and 120,598.90

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Solution

The fourth proportional to 270,372.04, 405,654.45 and 120,598.90 is: 180,941.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,372.04 : 405,654.45 = 120,598.90 : x
  2. Step 2: Convert to fraction form
    270,372.04/405,654.45 = 120,598.90/x
  3. Step 3: Cross multiply
    270,372.04x = 405,654.45 × 120,598.90
  4. Step 4: Simplify right side
    270,372.04x = 48,921,480,450.11
  5. Step 5: Solve for x
    x = 48,921,480,450.11/270,372.04
  6. Step 6: Final answer
    x = 180,941.34

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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.