Finding the Fourth Proportional to 331,370.08, 456,894.96 and 270,717.28
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Solution
The fourth proportional to 331,370.08, 456,894.96 and 270,717.28 is: 373,266.53
Step by Step Solution
- Step 1: Write the proportion equation
331,370.08 : 456,894.96 = 270,717.28 : x - Step 2: Convert to fraction form
331,370.08/456,894.96 = 270,717.28/x - Step 3: Cross multiply
331,370.08x = 456,894.96 × 270,717.28 - Step 4: Simplify right side
331,370.08x = 123,689,360,816.91 - Step 5: Solve for x
x = 123,689,360,816.91/331,370.08 - Step 6: Final answer
x = 373,266.53
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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.