Finding the Fourth Proportional to 304,260.64, 419,876.12 and 168,283.92
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Solution
The fourth proportional to 304,260.64, 419,876.12 and 168,283.92 is: 232,229.84
Step by Step Solution
- Step 1: Write the proportion equation
304,260.64 : 419,876.12 = 168,283.92 : x - Step 2: Convert to fraction form
304,260.64/419,876.12 = 168,283.92/x - Step 3: Cross multiply
304,260.64x = 419,876.12 × 168,283.92 - Step 4: Simplify right side
304,260.64x = 70,658,399,387.99 - Step 5: Solve for x
x = 70,658,399,387.99/304,260.64 - Step 6: Final answer
x = 232,229.84
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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.