Home / 331,946.81-497,079.39-205,833.38

Finding the Fourth Proportional to 331,946.81, 497,079.39 and 205,833.38

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Solution

The fourth proportional to 331,946.81, 497,079.39 and 205,833.38 is: 308,228.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,946.81 : 497,079.39 = 205,833.38 : x
  2. Step 2: Convert to fraction form
    331,946.81/497,079.39 = 205,833.38/x
  3. Step 3: Cross multiply
    331,946.81x = 497,079.39 × 205,833.38
  4. Step 4: Simplify right side
    331,946.81x = 102,315,528,486.64
  5. Step 5: Solve for x
    x = 102,315,528,486.64/331,946.81
  6. Step 6: Final answer
    x = 308,228.69

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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.