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Finding the Fourth Proportional to 243,370.42, 364,167.50 and 143,578.42

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Solution

The fourth proportional to 243,370.42, 364,167.50 and 143,578.42 is: 214,843.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,370.42 : 364,167.50 = 143,578.42 : x
  2. Step 2: Convert to fraction form
    243,370.42/364,167.50 = 143,578.42/x
  3. Step 3: Cross multiply
    243,370.42x = 364,167.50 × 143,578.42
  4. Step 4: Simplify right side
    243,370.42x = 52,286,594,265.35
  5. Step 5: Solve for x
    x = 52,286,594,265.35/243,370.42
  6. Step 6: Final answer
    x = 214,843.67

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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.