Finding the Fourth Proportional to 374,700.10, 517,104.94 and 221,825.96
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Solution
The fourth proportional to 374,700.10, 517,104.94 and 221,825.96 is: 306,130.96
Step by Step Solution
- Step 1: Write the proportion equation
374,700.10 : 517,104.94 = 221,825.96 : x - Step 2: Convert to fraction form
374,700.10/517,104.94 = 221,825.96/x - Step 3: Cross multiply
374,700.10x = 517,104.94 × 221,825.96 - Step 4: Simplify right side
374,700.10x = 114,707,299,736.24 - Step 5: Solve for x
x = 114,707,299,736.24/374,700.10 - Step 6: Final answer
x = 306,130.96
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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.