Home / 497,199.84-686,132.22-270,845.40

Finding the Fourth Proportional to 497,199.84, 686,132.22 and 270,845.40

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Solution

The fourth proportional to 497,199.84, 686,132.22 and 270,845.40 is: 373,764.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,199.84 : 686,132.22 = 270,845.40 : x
  2. Step 2: Convert to fraction form
    497,199.84/686,132.22 = 270,845.40/x
  3. Step 3: Cross multiply
    497,199.84x = 686,132.22 × 270,845.40
  4. Step 4: Simplify right side
    497,199.84x = 185,835,755,578.79
  5. Step 5: Solve for x
    x = 185,835,755,578.79/497,199.84
  6. Step 6: Final answer
    x = 373,764.71

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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.