Finding the Fourth Proportional to 395,714.36, 546,095.86 and 242,836.99
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Solution
The fourth proportional to 395,714.36, 546,095.86 and 242,836.99 is: 335,121.20
Step by Step Solution
- Step 1: Write the proportion equation
395,714.36 : 546,095.86 = 242,836.99 : x - Step 2: Convert to fraction form
395,714.36/546,095.86 = 242,836.99/x - Step 3: Cross multiply
395,714.36x = 546,095.86 × 242,836.99 - Step 4: Simplify right side
395,714.36x = 132,612,272,921.53 - Step 5: Solve for x
x = 132,612,272,921.53/395,714.36 - Step 6: Final answer
x = 335,121.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.