Home / 331,513.05-497,272.95-181,671.69

Finding the Fourth Proportional to 331,513.05, 497,272.95 and 181,671.69

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Solution

The fourth proportional to 331,513.05, 497,272.95 and 181,671.69 is: 272,509.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,513.05 : 497,272.95 = 181,671.69 : x
  2. Step 2: Convert to fraction form
    331,513.05/497,272.95 = 181,671.69/x
  3. Step 3: Cross multiply
    331,513.05x = 497,272.95 × 181,671.69
  4. Step 4: Simplify right side
    331,513.05x = 90,340,417,217.79
  5. Step 5: Solve for x
    x = 90,340,417,217.79/331,513.05
  6. Step 6: Final answer
    x = 272,509.38

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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.