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Finding the Fourth Proportional to 373,888.24, 560,813.72 and 137,212.30

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Solution

The fourth proportional to 373,888.24, 560,813.72 and 137,212.30 is: 205,811.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,888.24 : 560,813.72 = 137,212.30 : x
  2. Step 2: Convert to fraction form
    373,888.24/560,813.72 = 137,212.30/x
  3. Step 3: Cross multiply
    373,888.24x = 560,813.72 × 137,212.30
  4. Step 4: Simplify right side
    373,888.24x = 76,950,540,392.76
  5. Step 5: Solve for x
    x = 76,950,540,392.76/373,888.24
  6. Step 6: Final answer
    x = 205,811.61

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1.5x scale

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.