Finding the Fourth Proportional to 221,721.68, 306,048.84 and 176,482.64
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Solution
The fourth proportional to 221,721.68, 306,048.84 and 176,482.64 is: 243,604.09
Step by Step Solution
- Step 1: Write the proportion equation
221,721.68 : 306,048.84 = 176,482.64 : x - Step 2: Convert to fraction form
221,721.68/306,048.84 = 176,482.64/x - Step 3: Cross multiply
221,721.68x = 306,048.84 × 176,482.64 - Step 4: Simplify right side
221,721.68x = 54,012,307,252.14 - Step 5: Solve for x
x = 54,012,307,252.14/221,721.68 - Step 6: Final answer
x = 243,604.09
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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.