Home / 313,939.60-470,899.07-136,446.93

Finding the Fourth Proportional to 313,939.60, 470,899.07 and 136,446.93

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Solution

The fourth proportional to 313,939.60, 470,899.07 and 136,446.93 is: 204,665.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,939.60 : 470,899.07 = 136,446.93 : x
  2. Step 2: Convert to fraction form
    313,939.60/470,899.07 = 136,446.93/x
  3. Step 3: Cross multiply
    313,939.60x = 470,899.07 × 136,446.93
  4. Step 4: Simplify right side
    313,939.60x = 64,252,732,270.80
  5. Step 5: Solve for x
    x = 64,252,732,270.80/313,939.60
  6. Step 6: Final answer
    x = 204,665.91

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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.