Finding the Fourth Proportional to 188,841.18, 260,607.18 and 102,803.31
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Solution
The fourth proportional to 188,841.18, 260,607.18 and 102,803.31 is: 141,872.03
Step by Step Solution
- Step 1: Write the proportion equation
188,841.18 : 260,607.18 = 102,803.31 : x - Step 2: Convert to fraction form
188,841.18/260,607.18 = 102,803.31/x - Step 3: Cross multiply
188,841.18x = 260,607.18 × 102,803.31 - Step 4: Simplify right side
188,841.18x = 26,791,280,713.77 - Step 5: Solve for x
x = 26,791,280,713.77/188,841.18 - Step 6: Final answer
x = 141,872.03
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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.