Home / 277,095.07-382,135.75-207,908.11

Finding the Fourth Proportional to 277,095.07, 382,135.75 and 207,908.11

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Solution

The fourth proportional to 277,095.07, 382,135.75 and 207,908.11 is: 286,721.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,095.07 : 382,135.75 = 207,908.11 : x
  2. Step 2: Convert to fraction form
    277,095.07/382,135.75 = 207,908.11/x
  3. Step 3: Cross multiply
    277,095.07x = 382,135.75 × 207,908.11
  4. Step 4: Simplify right side
    277,095.07x = 79,449,121,545.93
  5. Step 5: Solve for x
    x = 79,449,121,545.93/277,095.07
  6. Step 6: Final answer
    x = 286,721.53

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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.