Finding the Fourth Proportional to 264,703.68, 396,721.80 and 106,844.40
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Solution
The fourth proportional to 264,703.68, 396,721.80 and 106,844.40 is: 160,131.90
Step by Step Solution
- Step 1: Write the proportion equation
264,703.68 : 396,721.80 = 106,844.40 : x - Step 2: Convert to fraction form
264,703.68/396,721.80 = 106,844.40/x - Step 3: Cross multiply
264,703.68x = 396,721.80 × 106,844.40 - Step 4: Simplify right side
264,703.68x = 42,387,502,687.92 - Step 5: Solve for x
x = 42,387,502,687.92/264,703.68 - Step 6: Final answer
x = 160,131.90
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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.