Home / 216,723.72-298,918.98-156,493.20

Finding the Fourth Proportional to 216,723.72, 298,918.98 and 156,493.20

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Solution

The fourth proportional to 216,723.72, 298,918.98 and 156,493.20 is: 215,845.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,723.72 : 298,918.98 = 156,493.20 : x
  2. Step 2: Convert to fraction form
    216,723.72/298,918.98 = 156,493.20/x
  3. Step 3: Cross multiply
    216,723.72x = 298,918.98 × 156,493.20
  4. Step 4: Simplify right side
    216,723.72x = 46,778,787,720.94
  5. Step 5: Solve for x
    x = 46,778,787,720.94/216,723.72
  6. Step 6: Final answer
    x = 215,845.26

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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.