Finding the Fourth Proportional to 658,456.49, 987,677.53 and 159,820.49
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Solution
The fourth proportional to 658,456.49, 987,677.53 and 159,820.49 is: 239,728.99
Step by Step Solution
- Step 1: Write the proportion equation
658,456.49 : 987,677.53 = 159,820.49 : x - Step 2: Convert to fraction form
658,456.49/987,677.53 = 159,820.49/x - Step 3: Cross multiply
658,456.49x = 987,677.53 × 159,820.49 - Step 4: Simplify right side
658,456.49x = 157,851,106,806.59 - Step 5: Solve for x
x = 157,851,106,806.59/658,456.49 - Step 6: Final answer
x = 239,728.99
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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.