Home / 307,388.02-424,194.66-171,422.14

Finding the Fourth Proportional to 307,388.02, 424,194.66 and 171,422.14

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Solution

The fourth proportional to 307,388.02, 424,194.66 and 171,422.14 is: 236,562.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,388.02 : 424,194.66 = 171,422.14 : x
  2. Step 2: Convert to fraction form
    307,388.02/424,194.66 = 171,422.14/x
  3. Step 3: Cross multiply
    307,388.02x = 424,194.66 × 171,422.14
  4. Step 4: Simplify right side
    307,388.02x = 72,716,356,393.77
  5. Step 5: Solve for x
    x = 72,716,356,393.77/307,388.02
  6. Step 6: Final answer
    x = 236,562.10

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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.