Finding the Fourth Proportional to 465,942.13, 643,053.08 and 259,230.99
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Solution
The fourth proportional to 465,942.13, 643,053.08 and 259,230.99 is: 357,768.22
Step by Step Solution
- Step 1: Write the proportion equation
465,942.13 : 643,053.08 = 259,230.99 : x - Step 2: Convert to fraction form
465,942.13/643,053.08 = 259,230.99/x - Step 3: Cross multiply
465,942.13x = 643,053.08 × 259,230.99 - Step 4: Simplify right side
465,942.13x = 166,699,286,550.95 - Step 5: Solve for x
x = 166,699,286,550.95/465,942.13 - Step 6: Final answer
x = 357,768.22
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.