Home / 424,664.10-636,996.15-171,944.10

Finding the Fourth Proportional to 424,664.10, 636,996.15 and 171,944.10

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Solution

The fourth proportional to 424,664.10, 636,996.15 and 171,944.10 is: 257,916.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,664.10 : 636,996.15 = 171,944.10 : x
  2. Step 2: Convert to fraction form
    424,664.10/636,996.15 = 171,944.10/x
  3. Step 3: Cross multiply
    424,664.10x = 636,996.15 × 171,944.10
  4. Step 4: Simplify right side
    424,664.10x = 109,527,729,715.22
  5. Step 5: Solve for x
    x = 109,527,729,715.22/424,664.10
  6. Step 6: Final answer
    x = 257,916.15

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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.