Home / 301,918.78-453,007.50-102,260.26

Finding the Fourth Proportional to 301,918.78, 453,007.50 and 102,260.26

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Solution

The fourth proportional to 301,918.78, 453,007.50 and 102,260.26 is: 153,434.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,918.78 : 453,007.50 = 102,260.26 : x
  2. Step 2: Convert to fraction form
    301,918.78/453,007.50 = 102,260.26/x
  3. Step 3: Cross multiply
    301,918.78x = 453,007.50 × 102,260.26
  4. Step 4: Simplify right side
    301,918.78x = 46,324,664,731.95
  5. Step 5: Solve for x
    x = 46,324,664,731.95/301,918.78
  6. Step 6: Final answer
    x = 153,434.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.