Finding the Fourth Proportional to 505,729.19, 758,644.53 and 145,908.95
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Solution
The fourth proportional to 505,729.19, 758,644.53 and 145,908.95 is: 218,878.07
Step by Step Solution
- Step 1: Write the proportion equation
505,729.19 : 758,644.53 = 145,908.95 : x - Step 2: Convert to fraction form
505,729.19/758,644.53 = 145,908.95/x - Step 3: Cross multiply
505,729.19x = 758,644.53 × 145,908.95 - Step 4: Simplify right side
505,729.19x = 110,693,026,795.54 - Step 5: Solve for x
x = 110,693,026,795.54/505,729.19 - Step 6: Final answer
x = 218,878.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.