Home / 300,429.13-414,576.15-164,436.70

Finding the Fourth Proportional to 300,429.13, 414,576.15 and 164,436.70

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Solution

The fourth proportional to 300,429.13, 414,576.15 and 164,436.70 is: 226,913.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,429.13 : 414,576.15 = 164,436.70 : x
  2. Step 2: Convert to fraction form
    300,429.13/414,576.15 = 164,436.70/x
  3. Step 3: Cross multiply
    300,429.13x = 414,576.15 × 164,436.70
  4. Step 4: Simplify right side
    300,429.13x = 68,171,534,004.71
  5. Step 5: Solve for x
    x = 68,171,534,004.71/300,429.13
  6. Step 6: Final answer
    x = 226,913.86

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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.