Home / 497,268.05-686,229.98-270,913.55

Finding the Fourth Proportional to 497,268.05, 686,229.98 and 270,913.55

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Solution

The fourth proportional to 497,268.05, 686,229.98 and 270,913.55 is: 373,860.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,268.05 : 686,229.98 = 270,913.55 : x
  2. Step 2: Convert to fraction form
    497,268.05/686,229.98 = 270,913.55/x
  3. Step 3: Cross multiply
    497,268.05x = 686,229.98 × 270,913.55
  4. Step 4: Simplify right side
    497,268.05x = 185,908,995,212.51
  5. Step 5: Solve for x
    x = 185,908,995,212.51/497,268.05
  6. Step 6: Final answer
    x = 373,860.73

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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.