Home / 309,218.22-426,712.23-180,185.22

Finding the Fourth Proportional to 309,218.22, 426,712.23 and 180,185.22

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Solution

The fourth proportional to 309,218.22, 426,712.23 and 180,185.22 is: 248,650.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,218.22 : 426,712.23 = 180,185.22 : x
  2. Step 2: Convert to fraction form
    309,218.22/426,712.23 = 180,185.22/x
  3. Step 3: Cross multiply
    309,218.22x = 426,712.23 × 180,185.22
  4. Step 4: Simplify right side
    309,218.22x = 76,887,237,039.24
  5. Step 5: Solve for x
    x = 76,887,237,039.24/309,218.22
  6. Step 6: Final answer
    x = 248,650.41

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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.