Home / 331,511.05-497,269.95-181,669.69

Finding the Fourth Proportional to 331,511.05, 497,269.95 and 181,669.69

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Solution

The fourth proportional to 331,511.05, 497,269.95 and 181,669.69 is: 272,506.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,511.05 : 497,269.95 = 181,669.69 : x
  2. Step 2: Convert to fraction form
    331,511.05/497,269.95 = 181,669.69/x
  3. Step 3: Cross multiply
    331,511.05x = 497,269.95 × 181,669.69
  4. Step 4: Simplify right side
    331,511.05x = 90,338,877,662.82
  5. Step 5: Solve for x
    x = 90,338,877,662.82/331,511.05
  6. Step 6: Final answer
    x = 272,506.38

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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.