Home / 309,246.11-426,784.24-181,946.31

Finding the Fourth Proportional to 309,246.11, 426,784.24 and 181,946.31

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Solution

The fourth proportional to 309,246.11, 426,784.24 and 181,946.31 is: 251,100.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,246.11 : 426,784.24 = 181,946.31 : x
  2. Step 2: Convert to fraction form
    309,246.11/426,784.24 = 181,946.31/x
  3. Step 3: Cross multiply
    309,246.11x = 426,784.24 × 181,946.31
  4. Step 4: Simplify right side
    309,246.11x = 77,651,817,634.15
  5. Step 5: Solve for x
    x = 77,651,817,634.15/309,246.11
  6. Step 6: Final answer
    x = 251,100.39

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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.