Finding the Fourth Proportional to 646,176.26, 969,264.40 and 290,775.08
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Solution
The fourth proportional to 646,176.26, 969,264.40 and 290,775.08 is: 436,162.62
Step by Step Solution
- Step 1: Write the proportion equation
646,176.26 : 969,264.40 = 290,775.08 : x - Step 2: Convert to fraction form
646,176.26/969,264.40 = 290,775.08/x - Step 3: Cross multiply
646,176.26x = 969,264.40 × 290,775.08 - Step 4: Simplify right side
646,176.26x = 281,837,933,451.15 - Step 5: Solve for x
x = 281,837,933,451.15/646,176.26 - Step 6: Final answer
x = 436,162.62
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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.