Finding the Fourth Proportional to 467,859.92, 645,646.68 and 252,999.99
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Solution
The fourth proportional to 467,859.92, 645,646.68 and 252,999.99 is: 349,139.98
Step by Step Solution
- Step 1: Write the proportion equation
467,859.92 : 645,646.68 = 252,999.99 : x - Step 2: Convert to fraction form
467,859.92/645,646.68 = 252,999.99/x - Step 3: Cross multiply
467,859.92x = 645,646.68 × 252,999.99 - Step 4: Simplify right side
467,859.92x = 163,348,603,583.53 - Step 5: Solve for x
x = 163,348,603,583.53/467,859.92 - Step 6: Final answer
x = 349,139.98
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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.