Finding the Fourth Proportional to 279,170.08, 418,596.44 and 190,530.96
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Solution
The fourth proportional to 279,170.08, 418,596.44 and 190,530.96 is: 285,688.14
Step by Step Solution
- Step 1: Write the proportion equation
279,170.08 : 418,596.44 = 190,530.96 : x - Step 2: Convert to fraction form
279,170.08/418,596.44 = 190,530.96/x - Step 3: Cross multiply
279,170.08x = 418,596.44 × 190,530.96 - Step 4: Simplify right side
279,170.08x = 79,755,581,565.78 - Step 5: Solve for x
x = 79,755,581,565.78/279,170.08 - Step 6: Final answer
x = 285,688.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.