Finding the Fourth Proportional to 403,162.88, 605,117.99 and 203,623.40
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Solution
The fourth proportional to 403,162.88, 605,117.99 and 203,623.40 is: 305,623.82
Step by Step Solution
- Step 1: Write the proportion equation
403,162.88 : 605,117.99 = 203,623.40 : x - Step 2: Convert to fraction form
403,162.88/605,117.99 = 203,623.40/x - Step 3: Cross multiply
403,162.88x = 605,117.99 × 203,623.40 - Step 4: Simplify right side
403,162.88x = 123,216,178,481.26 - Step 5: Solve for x
x = 123,216,178,481.26/403,162.88 - Step 6: Final answer
x = 305,623.82
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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.