Finding the Fourth Proportional to 616,198.14, 850,207.68 and 357,921.62
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Solution
The fourth proportional to 616,198.14, 850,207.68 and 357,921.62 is: 493,847.17
Step by Step Solution
- Step 1: Write the proportion equation
616,198.14 : 850,207.68 = 357,921.62 : x - Step 2: Convert to fraction form
616,198.14/850,207.68 = 357,921.62/x - Step 3: Cross multiply
616,198.14x = 850,207.68 × 357,921.62 - Step 4: Simplify right side
616,198.14x = 304,307,710,162.04 - Step 5: Solve for x
x = 304,307,710,162.04/616,198.14 - Step 6: Final answer
x = 493,847.17
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.