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Finding the Fourth Proportional to 336,644.73, 464,842.67 and 321,423.21

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Solution

The fourth proportional to 336,644.73, 464,842.67 and 321,423.21 is: 443,824.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,644.73 : 464,842.67 = 321,423.21 : x
  2. Step 2: Convert to fraction form
    336,644.73/464,842.67 = 321,423.21/x
  3. Step 3: Cross multiply
    336,644.73x = 464,842.67 × 321,423.21
  4. Step 4: Simplify right side
    336,644.73x = 149,411,221,529.26
  5. Step 5: Solve for x
    x = 149,411,221,529.26/336,644.73
  6. Step 6: Final answer
    x = 443,824.63

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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.