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Finding the Fourth Proportional to 315,584.44, 473,377.52 and 126,060.27

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Solution

The fourth proportional to 315,584.44, 473,377.52 and 126,060.27 is: 189,090.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,584.44 : 473,377.52 = 126,060.27 : x
  2. Step 2: Convert to fraction form
    315,584.44/473,377.52 = 126,060.27/x
  3. Step 3: Cross multiply
    315,584.44x = 473,377.52 × 126,060.27
  4. Step 4: Simplify right side
    315,584.44x = 59,674,099,808.15
  5. Step 5: Solve for x
    x = 59,674,099,808.15/315,584.44
  6. Step 6: Final answer
    x = 189,090.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.