Finding the Fourth Proportional to 403,838.28, 605,767.14 and 193,244.76
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Solution
The fourth proportional to 403,838.28, 605,767.14 and 193,244.76 is: 289,871.79
Step by Step Solution
- Step 1: Write the proportion equation
403,838.28 : 605,767.14 = 193,244.76 : x - Step 2: Convert to fraction form
403,838.28/605,767.14 = 193,244.76/x - Step 3: Cross multiply
403,838.28x = 605,767.14 × 193,244.76 - Step 4: Simplify right side
403,838.28x = 117,061,325,585.19 - Step 5: Solve for x
x = 117,061,325,585.19/403,838.28 - Step 6: Final answer
x = 289,871.79
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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.