Home / 307,844.30-424,820.99-171,880.34

Finding the Fourth Proportional to 307,844.30, 424,820.99 and 171,880.34

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Solution

The fourth proportional to 307,844.30, 424,820.99 and 171,880.34 is: 237,192.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,844.30 : 424,820.99 = 171,880.34 : x
  2. Step 2: Convert to fraction form
    307,844.30/424,820.99 = 171,880.34/x
  3. Step 3: Cross multiply
    307,844.30x = 424,820.99 × 171,880.34
  4. Step 4: Simplify right side
    307,844.30x = 73,018,374,505.93
  5. Step 5: Solve for x
    x = 73,018,374,505.93/307,844.30
  6. Step 6: Final answer
    x = 237,192.55

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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.