Home / 315,962.58-435,986.25-202,938.42

Finding the Fourth Proportional to 315,962.58, 435,986.25 and 202,938.42

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Solution

The fourth proportional to 315,962.58, 435,986.25 and 202,938.42 is: 280,027.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,962.58 : 435,986.25 = 202,938.42 : x
  2. Step 2: Convert to fraction form
    315,962.58/435,986.25 = 202,938.42/x
  3. Step 3: Cross multiply
    315,962.58x = 435,986.25 × 202,938.42
  4. Step 4: Simplify right side
    315,962.58x = 88,478,360,716.73
  5. Step 5: Solve for x
    x = 88,478,360,716.73/315,962.58
  6. Step 6: Final answer
    x = 280,027.97

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1.5x scale

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.