Home / 307,650.81-424,557.30-171,683.28

Finding the Fourth Proportional to 307,650.81, 424,557.30 and 171,683.28

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Solution

The fourth proportional to 307,650.81, 424,557.30 and 171,683.28 is: 236,922.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,650.81 : 424,557.30 = 171,683.28 : x
  2. Step 2: Convert to fraction form
    307,650.81/424,557.30 = 171,683.28/x
  3. Step 3: Cross multiply
    307,650.81x = 424,557.30 × 171,683.28
  4. Step 4: Simplify right side
    307,650.81x = 72,889,389,811.94
  5. Step 5: Solve for x
    x = 72,889,389,811.94/307,650.81
  6. Step 6: Final answer
    x = 236,922.47

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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.