Finding the Fourth Proportional to 551,381.80, 827,072.70 and 218,957.80
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Solution
The fourth proportional to 551,381.80, 827,072.70 and 218,957.80 is: 328,436.70
Step by Step Solution
- Step 1: Write the proportion equation
551,381.80 : 827,072.70 = 218,957.80 : x - Step 2: Convert to fraction form
551,381.80/827,072.70 = 218,957.80/x - Step 3: Cross multiply
551,381.80x = 827,072.70 × 218,957.80 - Step 4: Simplify right side
551,381.80x = 181,094,018,832.06 - Step 5: Solve for x
x = 181,094,018,832.06/551,381.80 - Step 6: Final answer
x = 328,436.70
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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.