Finding the Fourth Proportional to 306,065.19, 422,248.87 and 176,979.95
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Solution
The fourth proportional to 306,065.19, 422,248.87 and 176,979.95 is: 244,162.31
Step by Step Solution
- Step 1: Write the proportion equation
306,065.19 : 422,248.87 = 176,979.95 : x - Step 2: Convert to fraction form
306,065.19/422,248.87 = 176,979.95/x - Step 3: Cross multiply
306,065.19x = 422,248.87 × 176,979.95 - Step 4: Simplify right side
306,065.19x = 74,729,583,900.16 - Step 5: Solve for x
x = 74,729,583,900.16/306,065.19 - Step 6: Final answer
x = 244,162.31
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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.