Home / 307,538.22-424,330.44-186,676.50

Finding the Fourth Proportional to 307,538.22, 424,330.44 and 186,676.50

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Solution

The fourth proportional to 307,538.22, 424,330.44 and 186,676.50 is: 257,569.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,538.22 : 424,330.44 = 186,676.50 : x
  2. Step 2: Convert to fraction form
    307,538.22/424,330.44 = 186,676.50/x
  3. Step 3: Cross multiply
    307,538.22x = 424,330.44 × 186,676.50
  4. Step 4: Simplify right side
    307,538.22x = 79,212,521,382.66
  5. Step 5: Solve for x
    x = 79,212,521,382.66/307,538.22
  6. Step 6: Final answer
    x = 257,569.68

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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.