Finding the Fourth Proportional to 395,444.68, 545,714.16 and 214,156.92
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Solution
The fourth proportional to 395,444.68, 545,714.16 and 214,156.92 is: 295,536.82
Step by Step Solution
- Step 1: Write the proportion equation
395,444.68 : 545,714.16 = 214,156.92 : x - Step 2: Convert to fraction form
395,444.68/545,714.16 = 214,156.92/x - Step 3: Cross multiply
395,444.68x = 545,714.16 × 214,156.92 - Step 4: Simplify right side
395,444.68x = 116,868,463,705.99 - Step 5: Solve for x
x = 116,868,463,705.99/395,444.68 - Step 6: Final answer
x = 295,536.82
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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.