Finding the Fourth Proportional to 646,564.35, 969,964.17 and 267,279.09
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Solution
The fourth proportional to 646,564.35, 969,964.17 and 267,279.09 is: 400,967.27
Step by Step Solution
- Step 1: Write the proportion equation
646,564.35 : 969,964.17 = 267,279.09 : x - Step 2: Convert to fraction form
646,564.35/969,964.17 = 267,279.09/x - Step 3: Cross multiply
646,564.35x = 969,964.17 × 267,279.09 - Step 4: Simplify right side
646,564.35x = 259,251,140,690.21 - Step 5: Solve for x
x = 259,251,140,690.21/646,564.35 - Step 6: Final answer
x = 400,967.27
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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.