Home / 360,884.28-497,986.57-215,661.25

Finding the Fourth Proportional to 360,884.28, 497,986.57 and 215,661.25

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Solution

The fourth proportional to 360,884.28, 497,986.57 and 215,661.25 is: 297,592.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,884.28 : 497,986.57 = 215,661.25 : x
  2. Step 2: Convert to fraction form
    360,884.28/497,986.57 = 215,661.25/x
  3. Step 3: Cross multiply
    360,884.28x = 497,986.57 × 215,661.25
  4. Step 4: Simplify right side
    360,884.28x = 107,396,406,169.41
  5. Step 5: Solve for x
    x = 107,396,406,169.41/360,884.28
  6. Step 6: Final answer
    x = 297,592.36

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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.