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Finding the Fourth Proportional to 347,290.98, 520,936.47 and 228,934.64

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Solution

The fourth proportional to 347,290.98, 520,936.47 and 228,934.64 is: 343,401.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,290.98 : 520,936.47 = 228,934.64 : x
  2. Step 2: Convert to fraction form
    347,290.98/520,936.47 = 228,934.64/x
  3. Step 3: Cross multiply
    347,290.98x = 520,936.47 × 228,934.64
  4. Step 4: Simplify right side
    347,290.98x = 119,260,403,222.32
  5. Step 5: Solve for x
    x = 119,260,403,222.32/347,290.98
  6. Step 6: Final answer
    x = 343,401.96

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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.