Finding the Fourth Proportional to 617,090.08, 851,663.13 and 345,173.08
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Solution
The fourth proportional to 617,090.08, 851,663.13 and 345,173.08 is: 476,382.94
Step by Step Solution
- Step 1: Write the proportion equation
617,090.08 : 851,663.13 = 345,173.08 : x - Step 2: Convert to fraction form
617,090.08/851,663.13 = 345,173.08/x - Step 3: Cross multiply
617,090.08x = 851,663.13 × 345,173.08 - Step 4: Simplify right side
617,090.08x = 293,971,185,704.54 - Step 5: Solve for x
x = 293,971,185,704.54/617,090.08 - Step 6: Final answer
x = 476,382.94
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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.