Finding the Fourth Proportional to 512,267.64, 706,864.14 and 285,922.68
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Solution
The fourth proportional to 512,267.64, 706,864.14 and 285,922.68 is: 394,536.91
Step by Step Solution
- Step 1: Write the proportion equation
512,267.64 : 706,864.14 = 285,922.68 : x - Step 2: Convert to fraction form
512,267.64/706,864.14 = 285,922.68/x - Step 3: Cross multiply
512,267.64x = 706,864.14 × 285,922.68 - Step 4: Simplify right side
512,267.64x = 202,108,489,304.70 - Step 5: Solve for x
x = 202,108,489,304.70/512,267.64 - Step 6: Final answer
x = 394,536.91
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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.