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Finding the Fourth Proportional to 270,592.38, 373,457.09 and 155,848.96

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Solution

The fourth proportional to 270,592.38, 373,457.09 and 155,848.96 is: 215,094.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,592.38 : 373,457.09 = 155,848.96 : x
  2. Step 2: Convert to fraction form
    270,592.38/373,457.09 = 155,848.96/x
  3. Step 3: Cross multiply
    270,592.38x = 373,457.09 × 155,848.96
  4. Step 4: Simplify right side
    270,592.38x = 58,202,900,156.73
  5. Step 5: Solve for x
    x = 58,202,900,156.73/270,592.38
  6. Step 6: Final answer
    x = 215,094.38

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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.