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Finding the Fourth Proportional to 347,108.38, 520,674.02 and 119,401.70

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Solution

The fourth proportional to 347,108.38, 520,674.02 and 119,401.70 is: 179,106.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,108.38 : 520,674.02 = 119,401.70 : x
  2. Step 2: Convert to fraction form
    347,108.38/520,674.02 = 119,401.70/x
  3. Step 3: Cross multiply
    347,108.38x = 520,674.02 × 119,401.70
  4. Step 4: Simplify right side
    347,108.38x = 62,169,363,133.83
  5. Step 5: Solve for x
    x = 62,169,363,133.83/347,108.38
  6. Step 6: Final answer
    x = 179,106.49

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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.