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Finding the Fourth Proportional to 231,207.62, 346,811.43 and 64,995.62

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Solution

The fourth proportional to 231,207.62, 346,811.43 and 64,995.62 is: 97,493.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,207.62 : 346,811.43 = 64,995.62 : x
  2. Step 2: Convert to fraction form
    231,207.62/346,811.43 = 64,995.62/x
  3. Step 3: Cross multiply
    231,207.62x = 346,811.43 × 64,995.62
  4. Step 4: Simplify right side
    231,207.62x = 22,541,223,915.94
  5. Step 5: Solve for x
    x = 22,541,223,915.94/231,207.62
  6. Step 6: Final answer
    x = 97,493.43

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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.