Home / 283,287.86-390,093.54-277,001.18

Finding the Fourth Proportional to 283,287.86, 390,093.54 and 277,001.18

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Solution

The fourth proportional to 283,287.86, 390,093.54 and 277,001.18 is: 381,436.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,287.86 : 390,093.54 = 277,001.18 : x
  2. Step 2: Convert to fraction form
    283,287.86/390,093.54 = 277,001.18/x
  3. Step 3: Cross multiply
    283,287.86x = 390,093.54 × 277,001.18
  4. Step 4: Simplify right side
    283,287.86x = 108,056,370,890.38
  5. Step 5: Solve for x
    x = 108,056,370,890.38/283,287.86
  6. Step 6: Final answer
    x = 381,436.65

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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.