Finding the Fourth Proportional to 467,153.33, 644,318.75 and 402,734.03
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Solution
The fourth proportional to 467,153.33, 644,318.75 and 402,734.03 is: 555,468.77
Step by Step Solution
- Step 1: Write the proportion equation
467,153.33 : 644,318.75 = 402,734.03 : x - Step 2: Convert to fraction form
467,153.33/644,318.75 = 402,734.03/x - Step 3: Cross multiply
467,153.33x = 644,318.75 × 402,734.03 - Step 4: Simplify right side
467,153.33x = 259,489,084,577.30 - Step 5: Solve for x
x = 259,489,084,577.30/467,153.33 - Step 6: Final answer
x = 555,468.77
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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.