Home / 440,916.34-661,254.36-120,992.36

Finding the Fourth Proportional to 440,916.34, 661,254.36 and 120,992.36

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Solution

The fourth proportional to 440,916.34, 661,254.36 and 120,992.36 is: 181,455.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,916.34 : 661,254.36 = 120,992.36 : x
  2. Step 2: Convert to fraction form
    440,916.34/661,254.36 = 120,992.36/x
  3. Step 3: Cross multiply
    440,916.34x = 661,254.36 × 120,992.36
  4. Step 4: Simplify right side
    440,916.34x = 80,006,725,576.69
  5. Step 5: Solve for x
    x = 80,006,725,576.69/440,916.34
  6. Step 6: Final answer
    x = 181,455.57

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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.