Finding the Fourth Proportional to 354,869.49, 532,388.13 and 114,982.99
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Solution
The fourth proportional to 354,869.49, 532,388.13 and 114,982.99 is: 172,501.67
Step by Step Solution
- Step 1: Write the proportion equation
354,869.49 : 532,388.13 = 114,982.99 : x - Step 2: Convert to fraction form
354,869.49/532,388.13 = 114,982.99/x - Step 3: Cross multiply
354,869.49x = 532,388.13 × 114,982.99 - Step 4: Simplify right side
354,869.49x = 61,215,579,027.91 - Step 5: Solve for x
x = 61,215,579,027.91/354,869.49 - Step 6: Final answer
x = 172,501.67
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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.