Finding the Fourth Proportional to 497,921.20, 746,881.80 and 165,497.20
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Solution
The fourth proportional to 497,921.20, 746,881.80 and 165,497.20 is: 248,245.80
Step by Step Solution
- Step 1: Write the proportion equation
497,921.20 : 746,881.80 = 165,497.20 : x - Step 2: Convert to fraction form
497,921.20/746,881.80 = 165,497.20/x - Step 3: Cross multiply
497,921.20x = 746,881.80 × 165,497.20 - Step 4: Simplify right side
497,921.20x = 123,606,846,630.96 - Step 5: Solve for x
x = 123,606,846,630.96/497,921.20 - Step 6: Final answer
x = 248,245.80
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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.