Finding the Fourth Proportional to 359,755.66, 539,539.48 and 106,968.09
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Solution
The fourth proportional to 359,755.66, 539,539.48 and 106,968.09 is: 160,424.19
Step by Step Solution
- Step 1: Write the proportion equation
359,755.66 : 539,539.48 = 106,968.09 : x - Step 2: Convert to fraction form
359,755.66/539,539.48 = 106,968.09/x - Step 3: Cross multiply
359,755.66x = 539,539.48 × 106,968.09 - Step 4: Simplify right side
359,755.66x = 57,713,509,812.18 - Step 5: Solve for x
x = 57,713,509,812.18/359,755.66 - Step 6: Final answer
x = 160,424.19
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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.