Finding the Fourth Proportional to 357,999.12, 536,986.08 and 91,761.84
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Solution
The fourth proportional to 357,999.12, 536,986.08 and 91,761.84 is: 137,639.53
Step by Step Solution
- Step 1: Write the proportion equation
357,999.12 : 536,986.08 = 91,761.84 : x - Step 2: Convert to fraction form
357,999.12/536,986.08 = 91,761.84/x - Step 3: Cross multiply
357,999.12x = 536,986.08 × 91,761.84 - Step 4: Simplify right side
357,999.12x = 49,274,830,755.19 - Step 5: Solve for x
x = 49,274,830,755.19/357,999.12 - Step 6: Final answer
x = 137,639.53
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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.