Home / 277,259.16-382,721.34-215,884.02

Finding the Fourth Proportional to 277,259.16, 382,721.34 and 215,884.02

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Solution

The fourth proportional to 277,259.16, 382,721.34 and 215,884.02 is: 298,000.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,259.16 : 382,721.34 = 215,884.02 : x
  2. Step 2: Convert to fraction form
    277,259.16/382,721.34 = 215,884.02/x
  3. Step 3: Cross multiply
    277,259.16x = 382,721.34 × 215,884.02
  4. Step 4: Simplify right side
    277,259.16x = 82,623,421,418.99
  5. Step 5: Solve for x
    x = 82,623,421,418.99/277,259.16
  6. Step 6: Final answer
    x = 298,000.69

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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.