Finding the Fourth Proportional to 219,678.99, 303,158.61 and 124,179.99
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Solution
The fourth proportional to 219,678.99, 303,158.61 and 124,179.99 is: 171,369.29
Step by Step Solution
- Step 1: Write the proportion equation
219,678.99 : 303,158.61 = 124,179.99 : x - Step 2: Convert to fraction form
219,678.99/303,158.61 = 124,179.99/x - Step 3: Cross multiply
219,678.99x = 303,158.61 × 124,179.99 - Step 4: Simplify right side
219,678.99x = 37,646,233,158.21 - Step 5: Solve for x
x = 37,646,233,158.21/219,678.99 - Step 6: Final answer
x = 171,369.29
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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.