Finding the Fourth Proportional to 384,893.05, 577,195.99 and 132,101.81
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Solution
The fourth proportional to 384,893.05, 577,195.99 and 132,101.81 is: 198,103.43
Step by Step Solution
- Step 1: Write the proportion equation
384,893.05 : 577,195.99 = 132,101.81 : x - Step 2: Convert to fraction form
384,893.05/577,195.99 = 132,101.81/x - Step 3: Cross multiply
384,893.05x = 577,195.99 × 132,101.81 - Step 4: Simplify right side
384,893.05x = 76,248,635,003.74 - Step 5: Solve for x
x = 76,248,635,003.74/384,893.05 - Step 6: Final answer
x = 198,103.43
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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.