Home / 300,126.18-413,977.65-179,172.90

Finding the Fourth Proportional to 300,126.18, 413,977.65 and 179,172.90

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Solution

The fourth proportional to 300,126.18, 413,977.65 and 179,172.90 is: 247,141.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,126.18 : 413,977.65 = 179,172.90 : x
  2. Step 2: Convert to fraction form
    300,126.18/413,977.65 = 179,172.90/x
  3. Step 3: Cross multiply
    300,126.18x = 413,977.65 × 179,172.90
  4. Step 4: Simplify right side
    300,126.18x = 74,173,576,085.69
  5. Step 5: Solve for x
    x = 74,173,576,085.69/300,126.18
  6. Step 6: Final answer
    x = 247,141.31

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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.