Home / 307,838.15-461,803.40-108,123.34

Finding the Fourth Proportional to 307,838.15, 461,803.40 and 108,123.34

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Solution

The fourth proportional to 307,838.15, 461,803.40 and 108,123.34 is: 162,201.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,838.15 : 461,803.40 = 108,123.34 : x
  2. Step 2: Convert to fraction form
    307,838.15/461,803.40 = 108,123.34/x
  3. Step 3: Cross multiply
    307,838.15x = 461,803.40 × 108,123.34
  4. Step 4: Simplify right side
    307,838.15x = 49,931,726,031.36
  5. Step 5: Solve for x
    x = 49,931,726,031.36/307,838.15
  6. Step 6: Final answer
    x = 162,201.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.