Home / 307,869.37-424,930.57-180,585.97

Finding the Fourth Proportional to 307,869.37, 424,930.57 and 180,585.97

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Solution

The fourth proportional to 307,869.37, 424,930.57 and 180,585.97 is: 249,250.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,869.37 : 424,930.57 = 180,585.97 : x
  2. Step 2: Convert to fraction form
    307,869.37/424,930.57 = 180,585.97/x
  3. Step 3: Cross multiply
    307,869.37x = 424,930.57 × 180,585.97
  4. Step 4: Simplify right side
    307,869.37x = 76,736,499,166.10
  5. Step 5: Solve for x
    x = 76,736,499,166.10/307,869.37
  6. Step 6: Final answer
    x = 249,250.19

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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.