Finding the Fourth Proportional to 354,683.41, 489,464.37 and 193,542.01
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Solution
The fourth proportional to 354,683.41, 489,464.37 and 193,542.01 is: 267,088.66
Step by Step Solution
- Step 1: Write the proportion equation
354,683.41 : 489,464.37 = 193,542.01 : x - Step 2: Convert to fraction form
354,683.41/489,464.37 = 193,542.01/x - Step 3: Cross multiply
354,683.41x = 489,464.37 × 193,542.01 - Step 4: Simplify right side
354,683.41x = 94,731,916,769.52 - Step 5: Solve for x
x = 94,731,916,769.52/354,683.41 - Step 6: Final answer
x = 267,088.66
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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.