Home / 363,721.11-501,950.78-202,576.23

Finding the Fourth Proportional to 363,721.11, 501,950.78 and 202,576.23

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Solution

The fourth proportional to 363,721.11, 501,950.78 and 202,576.23 is: 279,563.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,721.11 : 501,950.78 = 202,576.23 : x
  2. Step 2: Convert to fraction form
    363,721.11/501,950.78 = 202,576.23/x
  3. Step 3: Cross multiply
    363,721.11x = 501,950.78 × 202,576.23
  4. Step 4: Simplify right side
    363,721.11x = 101,683,296,657.96
  5. Step 5: Solve for x
    x = 101,683,296,657.96/363,721.11
  6. Step 6: Final answer
    x = 279,563.91

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1.5x scale

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.