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Finding the Fourth Proportional to 270,369.60, 373,090.32 and 149,512.32

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Solution

The fourth proportional to 270,369.60, 373,090.32 and 149,512.32 is: 206,316.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,369.60 : 373,090.32 = 149,512.32 : x
  2. Step 2: Convert to fraction form
    270,369.60/373,090.32 = 149,512.32/x
  3. Step 3: Cross multiply
    270,369.60x = 373,090.32 × 149,512.32
  4. Step 4: Simplify right side
    270,369.60x = 55,781,599,312.74
  5. Step 5: Solve for x
    x = 55,781,599,312.74/270,369.60
  6. Step 6: Final answer
    x = 206,316.09

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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.