Finding the Fourth Proportional to 279,304.28, 385,372.72 and 164,587.62
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Solution
The fourth proportional to 279,304.28, 385,372.72 and 164,587.62 is: 227,091.33
Step by Step Solution
- Step 1: Write the proportion equation
279,304.28 : 385,372.72 = 164,587.62 : x - Step 2: Convert to fraction form
279,304.28/385,372.72 = 164,587.62/x - Step 3: Cross multiply
279,304.28x = 385,372.72 × 164,587.62 - Step 4: Simplify right side
279,304.28x = 63,427,580,448.61 - Step 5: Solve for x
x = 63,427,580,448.61/279,304.28 - Step 6: Final answer
x = 227,091.33
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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.