Finding the Fourth Proportional to 279,680.52, 385,968.06 and 158,827.08
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Solution
The fourth proportional to 279,680.52, 385,968.06 and 158,827.08 is: 219,186.45
Step by Step Solution
- Step 1: Write the proportion equation
279,680.52 : 385,968.06 = 158,827.08 : x - Step 2: Convert to fraction form
279,680.52/385,968.06 = 158,827.08/x - Step 3: Cross multiply
279,680.52x = 385,968.06 × 158,827.08 - Step 4: Simplify right side
279,680.52x = 61,302,179,943.06 - Step 5: Solve for x
x = 61,302,179,943.06/279,680.52 - Step 6: Final answer
x = 219,186.45
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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.