Finding the Fourth Proportional to 247,805.80, 341,970.18 and 134,629.48
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Solution
The fourth proportional to 247,805.80, 341,970.18 and 134,629.48 is: 185,787.69
Step by Step Solution
- Step 1: Write the proportion equation
247,805.80 : 341,970.18 = 134,629.48 : x - Step 2: Convert to fraction form
247,805.80/341,970.18 = 134,629.48/x - Step 3: Cross multiply
247,805.80x = 341,970.18 × 134,629.48 - Step 4: Simplify right side
247,805.80x = 46,039,267,508.91 - Step 5: Solve for x
x = 46,039,267,508.91/247,805.80 - Step 6: Final answer
x = 185,787.69
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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.