Home / 309,424.20-426,973.32-182,092.20

Finding the Fourth Proportional to 309,424.20, 426,973.32 and 182,092.20

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Solution

The fourth proportional to 309,424.20, 426,973.32 and 182,092.20 is: 251,268.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,424.20 : 426,973.32 = 182,092.20 : x
  2. Step 2: Convert to fraction form
    309,424.20/426,973.32 = 182,092.20/x
  3. Step 3: Cross multiply
    309,424.20x = 426,973.32 × 182,092.20
  4. Step 4: Simplify right side
    309,424.20x = 77,748,511,180.10
  5. Step 5: Solve for x
    x = 77,748,511,180.10/309,424.20
  6. Step 6: Final answer
    x = 251,268.36

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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.