Finding the Fourth Proportional to 465,943.13, 643,054.46 and 259,231.99
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Solution
The fourth proportional to 465,943.13, 643,054.46 and 259,231.99 is: 357,769.60
Step by Step Solution
- Step 1: Write the proportion equation
465,943.13 : 643,054.46 = 259,231.99 : x - Step 2: Convert to fraction form
465,943.13/643,054.46 = 259,231.99/x - Step 3: Cross multiply
465,943.13x = 643,054.46 × 259,231.99 - Step 4: Simplify right side
465,943.13x = 166,700,287,344.18 - Step 5: Solve for x
x = 166,700,287,344.18/465,943.13 - Step 6: Final answer
x = 357,769.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.