Home / 261,484.47-361,021.15-200,945.07

Finding the Fourth Proportional to 261,484.47, 361,021.15 and 200,945.07

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Solution

The fourth proportional to 261,484.47, 361,021.15 and 200,945.07 is: 277,436.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,484.47 : 361,021.15 = 200,945.07 : x
  2. Step 2: Convert to fraction form
    261,484.47/361,021.15 = 200,945.07/x
  3. Step 3: Cross multiply
    261,484.47x = 361,021.15 × 200,945.07
  4. Step 4: Simplify right side
    261,484.47x = 72,545,418,150.86
  5. Step 5: Solve for x
    x = 72,545,418,150.86/261,484.47
  6. Step 6: Final answer
    x = 277,436.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.