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Finding the Fourth Proportional to 373,074.86, 514,910.47 and 220,104.24

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Solution

The fourth proportional to 373,074.86, 514,910.47 and 220,104.24 is: 303,783.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,074.86 : 514,910.47 = 220,104.24 : x
  2. Step 2: Convert to fraction form
    373,074.86/514,910.47 = 220,104.24/x
  3. Step 3: Cross multiply
    373,074.86x = 514,910.47 × 220,104.24
  4. Step 4: Simplify right side
    373,074.86x = 113,333,975,598.91
  5. Step 5: Solve for x
    x = 113,333,975,598.91/373,074.86
  6. Step 6: Final answer
    x = 303,783.47

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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.