Finding the Fourth Proportional to 608,375.08, 912,691.12 and 229,287.79
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Solution
The fourth proportional to 608,375.08, 912,691.12 and 229,287.79 is: 343,980.11
Step by Step Solution
- Step 1: Write the proportion equation
608,375.08 : 912,691.12 = 229,287.79 : x - Step 2: Convert to fraction form
608,375.08/912,691.12 = 229,287.79/x - Step 3: Cross multiply
608,375.08x = 912,691.12 × 229,287.79 - Step 4: Simplify right side
608,375.08x = 209,268,929,857.43 - Step 5: Solve for x
x = 209,268,929,857.43/608,375.08 - Step 6: Final answer
x = 343,980.11
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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.