Finding the Fourth Proportional to 577,165.97, 865,761.26 and 198,085.07
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Solution
The fourth proportional to 577,165.97, 865,761.26 and 198,085.07 is: 297,131.82
Step by Step Solution
- Step 1: Write the proportion equation
577,165.97 : 865,761.26 = 198,085.07 : x - Step 2: Convert to fraction form
577,165.97/865,761.26 = 198,085.07/x - Step 3: Cross multiply
577,165.97x = 865,761.26 × 198,085.07 - Step 4: Simplify right side
577,165.97x = 171,494,374,471.16 - Step 5: Solve for x
x = 171,494,374,471.16/577,165.97 - Step 6: Final answer
x = 297,131.82
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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.