Finding the Fourth Proportional to 154,972.08, 232,438.68 and 61,387.92
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Solution
The fourth proportional to 154,972.08, 232,438.68 and 61,387.92 is: 92,074.18
Step by Step Solution
- Step 1: Write the proportion equation
154,972.08 : 232,438.68 = 61,387.92 : x - Step 2: Convert to fraction form
154,972.08/232,438.68 = 61,387.92/x - Step 3: Cross multiply
154,972.08x = 232,438.68 × 61,387.92 - Step 4: Simplify right side
154,972.08x = 14,268,927,092.75 - Step 5: Solve for x
x = 14,268,927,092.75/154,972.08 - Step 6: Final answer
x = 92,074.18
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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.