Finding the Fourth Proportional to 279,427.05, 385,609.37 and 152,102.63
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Solution
The fourth proportional to 279,427.05, 385,609.37 and 152,102.63 is: 209,901.65
Step by Step Solution
- Step 1: Write the proportion equation
279,427.05 : 385,609.37 = 152,102.63 : x - Step 2: Convert to fraction form
279,427.05/385,609.37 = 152,102.63/x - Step 3: Cross multiply
279,427.05x = 385,609.37 × 152,102.63 - Step 4: Simplify right side
279,427.05x = 58,652,199,329.64 - Step 5: Solve for x
x = 58,652,199,329.64/279,427.05 - Step 6: Final answer
x = 209,901.65
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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.