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Finding the Fourth Proportional to 347,144.08, 520,528.80 and 157,500.94

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Solution

The fourth proportional to 347,144.08, 520,528.80 and 157,500.94 is: 236,166.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,144.08 : 520,528.80 = 157,500.94 : x
  2. Step 2: Convert to fraction form
    347,144.08/520,528.80 = 157,500.94/x
  3. Step 3: Cross multiply
    347,144.08x = 520,528.80 × 157,500.94
  4. Step 4: Simplify right side
    347,144.08x = 81,983,775,297.07
  5. Step 5: Solve for x
    x = 81,983,775,297.07/347,144.08
  6. Step 6: Final answer
    x = 236,166.42

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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.