Finding the Fourth Proportional to 331,497.20, 497,634.60 and 329,164.40
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Solution
The fourth proportional to 331,497.20, 497,634.60 and 329,164.40 is: 494,132.66
Step by Step Solution
- Step 1: Write the proportion equation
331,497.20 : 497,634.60 = 329,164.40 : x - Step 2: Convert to fraction form
331,497.20/497,634.60 = 329,164.40/x - Step 3: Cross multiply
331,497.20x = 497,634.60 × 329,164.40 - Step 4: Simplify right side
331,497.20x = 163,803,594,528.24 - Step 5: Solve for x
x = 163,803,594,528.24/331,497.20 - Step 6: Final answer
x = 494,132.66
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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.