Finding the Fourth Proportional to 279,151.98, 418,474.57 and 101,533.42
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Solution
The fourth proportional to 279,151.98, 418,474.57 and 101,533.42 is: 152,207.96
Step by Step Solution
- Step 1: Write the proportion equation
279,151.98 : 418,474.57 = 101,533.42 : x - Step 2: Convert to fraction form
279,151.98/418,474.57 = 101,533.42/x - Step 3: Cross multiply
279,151.98x = 418,474.57 × 101,533.42 - Step 4: Simplify right side
279,151.98x = 42,489,154,275.13 - Step 5: Solve for x
x = 42,489,154,275.13/279,151.98 - Step 6: Final answer
x = 152,207.96
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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.