Finding the Fourth Proportional to 371,629.81, 512,838.30 and 201,863.53
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Solution
The fourth proportional to 371,629.81, 512,838.30 and 201,863.53 is: 278,565.78
Step by Step Solution
- Step 1: Write the proportion equation
371,629.81 : 512,838.30 = 201,863.53 : x - Step 2: Convert to fraction form
371,629.81/512,838.30 = 201,863.53/x - Step 3: Cross multiply
371,629.81x = 512,838.30 × 201,863.53 - Step 4: Simplify right side
371,629.81x = 103,523,349,557.20 - Step 5: Solve for x
x = 103,523,349,557.20/371,629.81 - Step 6: Final answer
x = 278,565.78
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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.