Finding the Fourth Proportional to 99,356.74, 149,035.11 and 29,236.08
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Solution
The fourth proportional to 99,356.74, 149,035.11 and 29,236.08 is: 43,854.12
Step by Step Solution
- Step 1: Write the proportion equation
99,356.74 : 149,035.11 = 29,236.08 : x - Step 2: Convert to fraction form
99,356.74/149,035.11 = 29,236.08/x - Step 3: Cross multiply
99,356.74x = 149,035.11 × 29,236.08 - Step 4: Simplify right side
99,356.74x = 4,357,202,398.77 - Step 5: Solve for x
x = 4,357,202,398.77/99,356.74 - Step 6: Final answer
x = 43,854.12
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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.