Finding the Fourth Proportional to 385,403.00, 578,143.35 and 132,650.19
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Solution
The fourth proportional to 385,403.00, 578,143.35 and 132,650.19 is: 198,988.66
Step by Step Solution
- Step 1: Write the proportion equation
385,403.00 : 578,143.35 = 132,650.19 : x - Step 2: Convert to fraction form
385,403.00/578,143.35 = 132,650.19/x - Step 3: Cross multiply
385,403.00x = 578,143.35 × 132,650.19 - Step 4: Simplify right side
385,403.00x = 76,690,825,224.74 - Step 5: Solve for x
x = 76,690,825,224.74/385,403.00 - Step 6: Final answer
x = 198,988.66
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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.