Finding the Fourth Proportional to 205,462.32, 308,232.36 and 116,815.92
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Solution
The fourth proportional to 205,462.32, 308,232.36 and 116,815.92 is: 175,245.99
Step by Step Solution
- Step 1: Write the proportion equation
205,462.32 : 308,232.36 = 116,815.92 : x - Step 2: Convert to fraction form
205,462.32/308,232.36 = 116,815.92/x - Step 3: Cross multiply
205,462.32x = 308,232.36 × 116,815.92 - Step 4: Simplify right side
205,462.32x = 36,006,446,707.17 - Step 5: Solve for x
x = 36,006,446,707.17/205,462.32 - Step 6: Final answer
x = 175,245.99
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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.