Home / 300,528.20-414,729.78-164,563.40

Finding the Fourth Proportional to 300,528.20, 414,729.78 and 164,563.40

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Solution

The fourth proportional to 300,528.20, 414,729.78 and 164,563.40 is: 227,097.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,528.20 : 414,729.78 = 164,563.40 : x
  2. Step 2: Convert to fraction form
    300,528.20/414,729.78 = 164,563.40/x
  3. Step 3: Cross multiply
    300,528.20x = 414,729.78 × 164,563.40
  4. Step 4: Simplify right side
    300,528.20x = 68,249,342,678.05
  5. Step 5: Solve for x
    x = 68,249,342,678.05/300,528.20
  6. Step 6: Final answer
    x = 227,097.97

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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.