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Finding the Fourth Proportional to 207,603.07, 311,503.02 and 123,529.32

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Solution

The fourth proportional to 207,603.07, 311,503.02 and 123,529.32 is: 185,352.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,603.07 : 311,503.02 = 123,529.32 : x
  2. Step 2: Convert to fraction form
    207,603.07/311,503.02 = 123,529.32/x
  3. Step 3: Cross multiply
    207,603.07x = 311,503.02 × 123,529.32
  4. Step 4: Simplify right side
    207,603.07x = 38,479,756,238.55
  5. Step 5: Solve for x
    x = 38,479,756,238.55/207,603.07
  6. Step 6: Final answer
    x = 185,352.54

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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.