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Finding the Fourth Proportional to 226,318.40, 339,477.60 and 142,337.60

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Solution

The fourth proportional to 226,318.40, 339,477.60 and 142,337.60 is: 213,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,318.40 : 339,477.60 = 142,337.60 : x
  2. Step 2: Convert to fraction form
    226,318.40/339,477.60 = 142,337.60/x
  3. Step 3: Cross multiply
    226,318.40x = 339,477.60 × 142,337.60
  4. Step 4: Simplify right side
    226,318.40x = 48,320,426,837.76
  5. Step 5: Solve for x
    x = 48,320,426,837.76/226,318.40
  6. Step 6: Final answer
    x = 213,506.40

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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.