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Finding the Fourth Proportional to 297,088.76, 409,943.09 and 168,044.83

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Solution

The fourth proportional to 297,088.76, 409,943.09 and 168,044.83 is: 231,879.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,088.76 : 409,943.09 = 168,044.83 : x
  2. Step 2: Convert to fraction form
    297,088.76/409,943.09 = 168,044.83/x
  3. Step 3: Cross multiply
    297,088.76x = 409,943.09 × 168,044.83
  4. Step 4: Simplify right side
    297,088.76x = 68,888,816,263.98
  5. Step 5: Solve for x
    x = 68,888,816,263.98/297,088.76
  6. Step 6: Final answer
    x = 231,879.58

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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.