Home / 405,822.24-608,816.37-139,548.15

Finding the Fourth Proportional to 405,822.24, 608,816.37 and 139,548.15

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Solution

The fourth proportional to 405,822.24, 608,816.37 and 139,548.15 is: 209,350.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,822.24 : 608,816.37 = 139,548.15 : x
  2. Step 2: Convert to fraction form
    405,822.24/608,816.37 = 139,548.15/x
  3. Step 3: Cross multiply
    405,822.24x = 608,816.37 × 139,548.15
  4. Step 4: Simplify right side
    405,822.24x = 84,959,198,123.22
  5. Step 5: Solve for x
    x = 84,959,198,123.22/405,822.24
  6. Step 6: Final answer
    x = 209,350.77

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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.