Home / 207,619.40-311,429.10-160,963.40

Finding the Fourth Proportional to 207,619.40, 311,429.10 and 160,963.40

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Solution

The fourth proportional to 207,619.40, 311,429.10 and 160,963.40 is: 241,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,619.40 : 311,429.10 = 160,963.40 : x
  2. Step 2: Convert to fraction form
    207,619.40/311,429.10 = 160,963.40/x
  3. Step 3: Cross multiply
    207,619.40x = 311,429.10 × 160,963.40
  4. Step 4: Simplify right side
    207,619.40x = 50,128,686,794.94
  5. Step 5: Solve for x
    x = 50,128,686,794.94/207,619.40
  6. Step 6: Final answer
    x = 241,445.10

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1.5x scale

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.