Finding the Fourth Proportional to 345,000.14, 517,325.18 and 157,851.26
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Solution
The fourth proportional to 345,000.14, 517,325.18 and 157,851.26 is: 236,696.81
Step by Step Solution
- Step 1: Write the proportion equation
345,000.14 : 517,325.18 = 157,851.26 : x - Step 2: Convert to fraction form
345,000.14/517,325.18 = 157,851.26/x - Step 3: Cross multiply
345,000.14x = 517,325.18 × 157,851.26 - Step 4: Simplify right side
345,000.14x = 81,660,431,492.73 - Step 5: Solve for x
x = 81,660,431,492.73/345,000.14 - Step 6: Final answer
x = 236,696.81
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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.