Finding the Fourth Proportional to 468,615.10, 646,691.91 and 253,755.18
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Solution
The fourth proportional to 468,615.10, 646,691.91 and 253,755.18 is: 350,183.82
Step by Step Solution
- Step 1: Write the proportion equation
468,615.10 : 646,691.91 = 253,755.18 : x - Step 2: Convert to fraction form
468,615.10/646,691.91 = 253,755.18/x - Step 3: Cross multiply
468,615.10x = 646,691.91 × 253,755.18 - Step 4: Simplify right side
468,615.10x = 164,101,422,859.23 - Step 5: Solve for x
x = 164,101,422,859.23/468,615.10 - Step 6: Final answer
x = 350,183.82
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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.