Finding the Fourth Proportional to 834,635.12, 1,251,965.64 and 203,560.88
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Solution
The fourth proportional to 834,635.12, 1,251,965.64 and 203,560.88 is: 305,344.48
Step by Step Solution
- Step 1: Write the proportion equation
834,635.12 : 1,251,965.64 = 203,560.88 : x - Step 2: Convert to fraction form
834,635.12/1,251,965.64 = 203,560.88/x - Step 3: Cross multiply
834,635.12x = 1,251,965.64 × 203,560.88 - Step 4: Simplify right side
834,635.12x = 254,851,227,408.16 - Step 5: Solve for x
x = 254,851,227,408.16/834,635.12 - Step 6: Final answer
x = 305,344.48
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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.