Finding the Fourth Proportional to 279,305.28, 385,374.10 and 164,588.62
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Solution
The fourth proportional to 279,305.28, 385,374.10 and 164,588.62 is: 227,092.70
Step by Step Solution
- Step 1: Write the proportion equation
279,305.28 : 385,374.10 = 164,588.62 : x - Step 2: Convert to fraction form
279,305.28/385,374.10 = 164,588.62/x - Step 3: Cross multiply
279,305.28x = 385,374.10 × 164,588.62 - Step 4: Simplify right side
279,305.28x = 63,428,191,302.74 - Step 5: Solve for x
x = 63,428,191,302.74/279,305.28 - Step 6: Final answer
x = 227,092.70
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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.