Home / 202,318.10-303,477.15-70,990.10

Finding the Fourth Proportional to 202,318.10, 303,477.15 and 70,990.10

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Solution

The fourth proportional to 202,318.10, 303,477.15 and 70,990.10 is: 106,485.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,318.10 : 303,477.15 = 70,990.10 : x
  2. Step 2: Convert to fraction form
    202,318.10/303,477.15 = 70,990.10/x
  3. Step 3: Cross multiply
    202,318.10x = 303,477.15 × 70,990.10
  4. Step 4: Simplify right side
    202,318.10x = 21,543,873,226.22
  5. Step 5: Solve for x
    x = 21,543,873,226.22/202,318.10
  6. Step 6: Final answer
    x = 106,485.15

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Similar ratio
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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.