Finding the Fourth Proportional to 326,625.18, 490,076.64 and 158,270.88
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Solution
The fourth proportional to 326,625.18, 490,076.64 and 158,270.88 is: 237,473.61
Step by Step Solution
- Step 1: Write the proportion equation
326,625.18 : 490,076.64 = 158,270.88 : x - Step 2: Convert to fraction form
326,625.18/490,076.64 = 158,270.88/x - Step 3: Cross multiply
326,625.18x = 490,076.64 × 158,270.88 - Step 4: Simplify right side
326,625.18x = 77,564,861,080.24 - Step 5: Solve for x
x = 77,564,861,080.24/326,625.18 - Step 6: Final answer
x = 237,473.61
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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.