Home / 207,344.06-311,030.20-70,511.44

Finding the Fourth Proportional to 207,344.06, 311,030.20 and 70,511.44

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Solution

The fourth proportional to 207,344.06, 311,030.20 and 70,511.44 is: 105,771.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,344.06 : 311,030.20 = 70,511.44 : x
  2. Step 2: Convert to fraction form
    207,344.06/311,030.20 = 70,511.44/x
  3. Step 3: Cross multiply
    207,344.06x = 311,030.20 × 70,511.44
  4. Step 4: Simplify right side
    207,344.06x = 21,931,187,285.49
  5. Step 5: Solve for x
    x = 21,931,187,285.49/207,344.06
  6. Step 6: Final answer
    x = 105,771.96

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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.