Finding the Fourth Proportional to 393,717.84, 543,259.08 and 232,599.12
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Solution
The fourth proportional to 393,717.84, 543,259.08 and 232,599.12 is: 320,944.52
Step by Step Solution
- Step 1: Write the proportion equation
393,717.84 : 543,259.08 = 232,599.12 : x - Step 2: Convert to fraction form
393,717.84/543,259.08 = 232,599.12/x - Step 3: Cross multiply
393,717.84x = 543,259.08 × 232,599.12 - Step 4: Simplify right side
393,717.84x = 126,361,583,940.01 - Step 5: Solve for x
x = 126,361,583,940.01/393,717.84 - Step 6: Final answer
x = 320,944.52
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1.5x scale
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.