Finding the Fourth Proportional to 360,479.68, 497,436.26 and 199,305.04
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Solution
The fourth proportional to 360,479.68, 497,436.26 and 199,305.04 is: 275,026.75
Step by Step Solution
- Step 1: Write the proportion equation
360,479.68 : 497,436.26 = 199,305.04 : x - Step 2: Convert to fraction form
360,479.68/497,436.26 = 199,305.04/x - Step 3: Cross multiply
360,479.68x = 497,436.26 × 199,305.04 - Step 4: Simplify right side
360,479.68x = 99,141,553,696.75 - Step 5: Solve for x
x = 99,141,553,696.75/360,479.68 - Step 6: Final answer
x = 275,026.75
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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.