Finding the Fourth Proportional to 247,725.84, 341,859.78 and 134,549.40
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Solution
The fourth proportional to 247,725.84, 341,859.78 and 134,549.40 is: 185,677.15
Step by Step Solution
- Step 1: Write the proportion equation
247,725.84 : 341,859.78 = 134,549.40 : x - Step 2: Convert to fraction form
247,725.84/341,859.78 = 134,549.40/x - Step 3: Cross multiply
247,725.84x = 341,859.78 × 134,549.40 - Step 4: Simplify right side
247,725.84x = 45,997,028,283.13 - Step 5: Solve for x
x = 45,997,028,283.13/247,725.84 - Step 6: Final answer
x = 185,677.15
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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.