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Finding the Fourth Proportional to 270,978.98, 373,935.11 and 148,447.08

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Solution

The fourth proportional to 270,978.98, 373,935.11 and 148,447.08 is: 204,848.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,978.98 : 373,935.11 = 148,447.08 : x
  2. Step 2: Convert to fraction form
    270,978.98/373,935.11 = 148,447.08/x
  3. Step 3: Cross multiply
    270,978.98x = 373,935.11 × 148,447.08
  4. Step 4: Simplify right side
    270,978.98x = 55,509,574,446.74
  5. Step 5: Solve for x
    x = 55,509,574,446.74/270,978.98
  6. Step 6: Final answer
    x = 204,848.27

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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.