Home / 272,985.86-409,229.31-231,135.59

Finding the Fourth Proportional to 272,985.86, 409,229.31 and 231,135.59

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Solution

The fourth proportional to 272,985.86, 409,229.31 and 231,135.59 is: 346,492.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,985.86 : 409,229.31 = 231,135.59 : x
  2. Step 2: Convert to fraction form
    272,985.86/409,229.31 = 231,135.59/x
  3. Step 3: Cross multiply
    272,985.86x = 409,229.31 × 231,135.59
  4. Step 4: Simplify right side
    272,985.86x = 94,587,458,012.14
  5. Step 5: Solve for x
    x = 94,587,458,012.14/272,985.86
  6. Step 6: Final answer
    x = 346,492.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.