Finding the Fourth Proportional to 384,813.54, 577,305.50 and 132,088.37
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Solution
The fourth proportional to 384,813.54, 577,305.50 and 132,088.37 is: 198,161.79
Step by Step Solution
- Step 1: Write the proportion equation
384,813.54 : 577,305.50 = 132,088.37 : x - Step 2: Convert to fraction form
384,813.54/577,305.50 = 132,088.37/x - Step 3: Cross multiply
384,813.54x = 577,305.50 × 132,088.37 - Step 4: Simplify right side
384,813.54x = 76,255,338,940.07 - Step 5: Solve for x
x = 76,255,338,940.07/384,813.54 - Step 6: Final answer
x = 198,161.79
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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.