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Finding the Fourth Proportional to 270,114.56, 372,762.04 and 149,258.64

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Solution

The fourth proportional to 270,114.56, 372,762.04 and 149,258.64 is: 205,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,114.56 : 372,762.04 = 149,258.64 : x
  2. Step 2: Convert to fraction form
    270,114.56/372,762.04 = 149,258.64/x
  3. Step 3: Cross multiply
    270,114.56x = 372,762.04 × 149,258.64
  4. Step 4: Simplify right side
    270,114.56x = 55,637,955,134.03
  5. Step 5: Solve for x
    x = 55,637,955,134.03/270,114.56
  6. Step 6: Final answer
    x = 205,979.10

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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.