Finding the Fourth Proportional to 871,068.35, 1,306,599.68 and 231,436.05
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Solution
The fourth proportional to 871,068.35, 1,306,599.68 and 231,436.05 is: 347,153.32
Step by Step Solution
- Step 1: Write the proportion equation
871,068.35 : 1,306,599.68 = 231,436.05 : x - Step 2: Convert to fraction form
871,068.35/1,306,599.68 = 231,436.05/x - Step 3: Cross multiply
871,068.35x = 1,306,599.68 × 231,436.05 - Step 4: Simplify right side
871,068.35x = 302,394,267,713.28 - Step 5: Solve for x
x = 302,394,267,713.28/871,068.35 - Step 6: Final answer
x = 347,153.32
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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.