Home / 307,218.93-423,963.01-178,182.28

Finding the Fourth Proportional to 307,218.93, 423,963.01 and 178,182.28

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Solution

The fourth proportional to 307,218.93, 423,963.01 and 178,182.28 is: 245,892.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,218.93 : 423,963.01 = 178,182.28 : x
  2. Step 2: Convert to fraction form
    307,218.93/423,963.01 = 178,182.28/x
  3. Step 3: Cross multiply
    307,218.93x = 423,963.01 × 178,182.28
  4. Step 4: Simplify right side
    307,218.93x = 75,542,696,510.14
  5. Step 5: Solve for x
    x = 75,542,696,510.14/307,218.93
  6. Step 6: Final answer
    x = 245,892.07

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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.