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Finding the Fourth Proportional to 270,548.94, 373,368.55 and 149,688.27

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Solution

The fourth proportional to 270,548.94, 373,368.55 and 149,688.27 is: 206,575.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,548.94 : 373,368.55 = 149,688.27 : x
  2. Step 2: Convert to fraction form
    270,548.94/373,368.55 = 149,688.27/x
  3. Step 3: Cross multiply
    270,548.94x = 373,368.55 × 149,688.27
  4. Step 4: Simplify right side
    270,548.94x = 55,888,892,321.91
  5. Step 5: Solve for x
    x = 55,888,892,321.91/270,548.94
  6. Step 6: Final answer
    x = 206,575.91

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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.