Home / 384,979.35-531,021.18-246,939.81

Finding the Fourth Proportional to 384,979.35, 531,021.18 and 246,939.81

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Solution

The fourth proportional to 384,979.35, 531,021.18 and 246,939.81 is: 340,616.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,979.35 : 531,021.18 = 246,939.81 : x
  2. Step 2: Convert to fraction form
    384,979.35/531,021.18 = 246,939.81/x
  3. Step 3: Cross multiply
    384,979.35x = 531,021.18 × 246,939.81
  4. Step 4: Simplify right side
    384,979.35x = 131,130,269,295.18
  5. Step 5: Solve for x
    x = 131,130,269,295.18/384,979.35
  6. Step 6: Final answer
    x = 340,616.37

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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.