Finding the Fourth Proportional to 418,990.08, 628,522.18 and 119,464.23
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Solution
The fourth proportional to 418,990.08, 628,522.18 and 119,464.23 is: 179,206.92
Step by Step Solution
- Step 1: Write the proportion equation
418,990.08 : 628,522.18 = 119,464.23 : x - Step 2: Convert to fraction form
418,990.08/628,522.18 = 119,464.23/x - Step 3: Cross multiply
418,990.08x = 628,522.18 × 119,464.23 - Step 4: Simplify right side
418,990.08x = 75,085,921,001.91 - Step 5: Solve for x
x = 75,085,921,001.91/418,990.08 - Step 6: Final answer
x = 179,206.92
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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.