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Finding the Fourth Proportional to 325,222.64, 448,722.11 and 187,367.83

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Solution

The fourth proportional to 325,222.64, 448,722.11 and 187,367.83 is: 258,518.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,222.64 : 448,722.11 = 187,367.83 : x
  2. Step 2: Convert to fraction form
    325,222.64/448,722.11 = 187,367.83/x
  3. Step 3: Cross multiply
    325,222.64x = 448,722.11 × 187,367.83
  4. Step 4: Simplify right side
    325,222.64x = 84,076,087,370.34
  5. Step 5: Solve for x
    x = 84,076,087,370.34/325,222.64
  6. Step 6: Final answer
    x = 258,518.56

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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.