Finding the Fourth Proportional to 235,458.21, 353,187.32 and 69,246.21
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Solution
The fourth proportional to 235,458.21, 353,187.32 and 69,246.21 is: 103,869.32
Step by Step Solution
- Step 1: Write the proportion equation
235,458.21 : 353,187.32 = 69,246.21 : x - Step 2: Convert to fraction form
235,458.21/353,187.32 = 69,246.21/x - Step 3: Cross multiply
235,458.21x = 353,187.32 × 69,246.21 - Step 4: Simplify right side
235,458.21x = 24,456,882,983.83 - Step 5: Solve for x
x = 24,456,882,983.83/235,458.21 - Step 6: Final answer
x = 103,869.32
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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.