Finding the Fourth Proportional to 667,624.08, 1,001,436.84 and 168,988.08
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Solution
The fourth proportional to 667,624.08, 1,001,436.84 and 168,988.08 is: 253,482.30
Step by Step Solution
- Step 1: Write the proportion equation
667,624.08 : 1,001,436.84 = 168,988.08 : x - Step 2: Convert to fraction form
667,624.08/1,001,436.84 = 168,988.08/x - Step 3: Cross multiply
667,624.08x = 1,001,436.84 × 168,988.08 - Step 4: Simplify right side
667,624.08x = 169,230,888,832.87 - Step 5: Solve for x
x = 169,230,888,832.87/667,624.08 - Step 6: Final answer
x = 253,482.30
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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.