Home / 300,215.21-414,300.05-164,246.18

Finding the Fourth Proportional to 300,215.21, 414,300.05 and 164,246.18

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Solution

The fourth proportional to 300,215.21, 414,300.05 and 164,246.18 is: 226,661.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,215.21 : 414,300.05 = 164,246.18 : x
  2. Step 2: Convert to fraction form
    300,215.21/414,300.05 = 164,246.18/x
  3. Step 3: Cross multiply
    300,215.21x = 414,300.05 × 164,246.18
  4. Step 4: Simplify right side
    300,215.21x = 68,047,197,693.58
  5. Step 5: Solve for x
    x = 68,047,197,693.58/300,215.21
  6. Step 6: Final answer
    x = 226,661.40

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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.