Finding the Fourth Proportional to 495,514.49, 743,261.63 and 158,555.09
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Solution
The fourth proportional to 495,514.49, 743,261.63 and 158,555.09 is: 237,829.39
Step by Step Solution
- Step 1: Write the proportion equation
495,514.49 : 743,261.63 = 158,555.09 : x - Step 2: Convert to fraction form
495,514.49/743,261.63 = 158,555.09/x - Step 3: Cross multiply
495,514.49x = 743,261.63 × 158,555.09 - Step 4: Simplify right side
495,514.49x = 117,847,910,129.11 - Step 5: Solve for x
x = 117,847,910,129.11/495,514.49 - Step 6: Final answer
x = 237,829.39
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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.