Home / 307,376.24-424,181.03-171,418.77

Finding the Fourth Proportional to 307,376.24, 424,181.03 and 171,418.77

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Solution

The fourth proportional to 307,376.24, 424,181.03 and 171,418.77 is: 236,558.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,376.24 : 424,181.03 = 171,418.77 : x
  2. Step 2: Convert to fraction form
    307,376.24/424,181.03 = 171,418.77/x
  3. Step 3: Cross multiply
    307,376.24x = 424,181.03 × 171,418.77
  4. Step 4: Simplify right side
    307,376.24x = 72,712,589,562.84
  5. Step 5: Solve for x
    x = 72,712,589,562.84/307,376.24
  6. Step 6: Final answer
    x = 236,558.92

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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.