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Finding the Fourth Proportional to 226,225.61, 339,339.44 and 76,466.70

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Solution

The fourth proportional to 226,225.61, 339,339.44 and 76,466.70 is: 114,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,225.61 : 339,339.44 = 76,466.70 : x
  2. Step 2: Convert to fraction form
    226,225.61/339,339.44 = 76,466.70/x
  3. Step 3: Cross multiply
    226,225.61x = 339,339.44 × 76,466.70
  4. Step 4: Simplify right side
    226,225.61x = 25,948,167,347.81
  5. Step 5: Solve for x
    x = 25,948,167,347.81/226,225.61
  6. Step 6: Final answer
    x = 114,700.40

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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.