Finding the Fourth Proportional to 403,971.80, 605,811.90 and 204,225.80
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Solution
The fourth proportional to 403,971.80, 605,811.90 and 204,225.80 is: 306,264.99
Step by Step Solution
- Step 1: Write the proportion equation
403,971.80 : 605,811.90 = 204,225.80 : x - Step 2: Convert to fraction form
403,971.80/605,811.90 = 204,225.80/x - Step 3: Cross multiply
403,971.80x = 605,811.90 × 204,225.80 - Step 4: Simplify right side
403,971.80x = 123,722,419,927.02 - Step 5: Solve for x
x = 123,722,419,927.02/403,971.80 - Step 6: Final answer
x = 306,264.99
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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.