Finding the Fourth Proportional to 512,102.92, 706,701.48 and 285,748.44
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Solution
The fourth proportional to 512,102.92, 706,701.48 and 285,748.44 is: 394,332.54
Step by Step Solution
- Step 1: Write the proportion equation
512,102.92 : 706,701.48 = 285,748.44 : x - Step 2: Convert to fraction form
512,102.92/706,701.48 = 285,748.44/x - Step 3: Cross multiply
512,102.92x = 706,701.48 × 285,748.44 - Step 4: Simplify right side
512,102.92x = 201,938,845,455.69 - Step 5: Solve for x
x = 201,938,845,455.69/512,102.92 - Step 6: Final answer
x = 394,332.54
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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.