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Finding the Fourth Proportional to 270,374.56, 373,144.92 and 155,657.28

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Solution

The fourth proportional to 270,374.56, 373,144.92 and 155,657.28 is: 214,823.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,374.56 : 373,144.92 = 155,657.28 : x
  2. Step 2: Convert to fraction form
    270,374.56/373,144.92 = 155,657.28/x
  3. Step 3: Cross multiply
    270,374.56x = 373,144.92 × 155,657.28
  4. Step 4: Simplify right side
    270,374.56x = 58,082,723,293.02
  5. Step 5: Solve for x
    x = 58,082,723,293.02/270,374.56
  6. Step 6: Final answer
    x = 214,823.18

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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.