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Finding the Fourth Proportional to 293,421.32, 404,926.55 and 164,358.67

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Solution

The fourth proportional to 293,421.32, 404,926.55 and 164,358.67 is: 226,817.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,421.32 : 404,926.55 = 164,358.67 : x
  2. Step 2: Convert to fraction form
    293,421.32/404,926.55 = 164,358.67/x
  3. Step 3: Cross multiply
    293,421.32x = 404,926.55 × 164,358.67
  4. Step 4: Simplify right side
    293,421.32x = 66,553,188,604.27
  5. Step 5: Solve for x
    x = 66,553,188,604.27/293,421.32
  6. Step 6: Final answer
    x = 226,817.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.