Finding the Fourth Proportional to 658,452.49, 987,671.53 and 159,816.49
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Solution
The fourth proportional to 658,452.49, 987,671.53 and 159,816.49 is: 239,722.99
Step by Step Solution
- Step 1: Write the proportion equation
658,452.49 : 987,671.53 = 159,816.49 : x - Step 2: Convert to fraction form
658,452.49/987,671.53 = 159,816.49/x - Step 3: Cross multiply
658,452.49x = 987,671.53 × 159,816.49 - Step 4: Simplify right side
658,452.49x = 157,846,197,197.53 - Step 5: Solve for x
x = 157,846,197,197.53/658,452.49 - Step 6: Final answer
x = 239,722.99
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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.