Finding the Fourth Proportional to 354,513.02, 489,229.49 and 193,371.53
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Solution
The fourth proportional to 354,513.02, 489,229.49 and 193,371.53 is: 266,853.54
Step by Step Solution
- Step 1: Write the proportion equation
354,513.02 : 489,229.49 = 193,371.53 : x - Step 2: Convert to fraction form
354,513.02/489,229.49 = 193,371.53/x - Step 3: Cross multiply
354,513.02x = 489,229.49 × 193,371.53 - Step 4: Simplify right side
354,513.02x = 94,603,053,039.70 - Step 5: Solve for x
x = 94,603,053,039.70/354,513.02 - Step 6: Final answer
x = 266,853.54
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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.