Finding the Fourth Proportional to 279,481.77, 385,652.67 and 158,598.99
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Solution
The fourth proportional to 279,481.77, 385,652.67 and 158,598.99 is: 218,848.35
Step by Step Solution
- Step 1: Write the proportion equation
279,481.77 : 385,652.67 = 158,598.99 : x - Step 2: Convert to fraction form
279,481.77/385,652.67 = 158,598.99/x - Step 3: Cross multiply
279,481.77x = 385,652.67 × 158,598.99 - Step 4: Simplify right side
279,481.77x = 61,164,123,952.80 - Step 5: Solve for x
x = 61,164,123,952.80/279,481.77 - Step 6: Final answer
x = 218,848.35
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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.