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Finding the Fourth Proportional to 379,300.73, 523,445.27 and 226,427.63

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Solution

The fourth proportional to 379,300.73, 523,445.27 and 226,427.63 is: 312,476.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,300.73 : 523,445.27 = 226,427.63 : x
  2. Step 2: Convert to fraction form
    379,300.73/523,445.27 = 226,427.63/x
  3. Step 3: Cross multiply
    379,300.73x = 523,445.27 × 226,427.63
  4. Step 4: Simplify right side
    379,300.73x = 118,522,468,171.45
  5. Step 5: Solve for x
    x = 118,522,468,171.45/379,300.73
  6. Step 6: Final answer
    x = 312,476.25

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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.