Finding the Fourth Proportional to 99,471.84, 149,207.76 and 40,296.48
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Solution
The fourth proportional to 99,471.84, 149,207.76 and 40,296.48 is: 60,444.72
Step by Step Solution
- Step 1: Write the proportion equation
99,471.84 : 149,207.76 = 40,296.48 : x - Step 2: Convert to fraction form
99,471.84/149,207.76 = 40,296.48/x - Step 3: Cross multiply
99,471.84x = 149,207.76 × 40,296.48 - Step 4: Simplify right side
99,471.84x = 6,012,547,516.68 - Step 5: Solve for x
x = 6,012,547,516.68/99,471.84 - Step 6: Final answer
x = 60,444.72
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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.