Finding the Fourth Proportional to 616,195.45, 850,203.99 and 357,918.93
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Solution
The fourth proportional to 616,195.45, 850,203.99 and 357,918.93 is: 493,843.48
Step by Step Solution
- Step 1: Write the proportion equation
616,195.45 : 850,203.99 = 357,918.93 : x - Step 2: Convert to fraction form
616,195.45/850,203.99 = 357,918.93/x - Step 3: Cross multiply
616,195.45x = 850,203.99 × 357,918.93 - Step 4: Simplify right side
616,195.45x = 304,304,102,382.53 - Step 5: Solve for x
x = 304,304,102,382.53/616,195.45 - Step 6: Final answer
x = 493,843.48
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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.