Home / 207,397.23-311,281.28-106,264.27

Finding the Fourth Proportional to 207,397.23, 311,281.28 and 106,264.27

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Solution

The fourth proportional to 207,397.23, 311,281.28 and 106,264.27 is: 159,491.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,397.23 : 311,281.28 = 106,264.27 : x
  2. Step 2: Convert to fraction form
    207,397.23/311,281.28 = 106,264.27/x
  3. Step 3: Cross multiply
    207,397.23x = 311,281.28 × 106,264.27
  4. Step 4: Simplify right side
    207,397.23x = 33,078,078,240.14
  5. Step 5: Solve for x
    x = 33,078,078,240.14/207,397.23
  6. Step 6: Final answer
    x = 159,491.42

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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.