Finding the Fourth Proportional to 306,064.80, 422,248.48 and 176,979.52
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Solution
The fourth proportional to 306,064.80, 422,248.48 and 176,979.52 is: 244,161.80
Step by Step Solution
- Step 1: Write the proportion equation
306,064.80 : 422,248.48 = 176,979.52 : x - Step 2: Convert to fraction form
306,064.80/422,248.48 = 176,979.52/x - Step 3: Cross multiply
306,064.80x = 422,248.48 × 176,979.52 - Step 4: Simplify right side
306,064.80x = 74,729,333,311.13 - Step 5: Solve for x
x = 74,729,333,311.13/306,064.80 - Step 6: Final answer
x = 244,161.80
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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.