Finding the Fourth Proportional to 354,564.24, 489,300.26 and 193,418.79
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Solution
The fourth proportional to 354,564.24, 489,300.26 and 193,418.79 is: 266,918.81
Step by Step Solution
- Step 1: Write the proportion equation
354,564.24 : 489,300.26 = 193,418.79 : x - Step 2: Convert to fraction form
354,564.24/489,300.26 = 193,418.79/x - Step 3: Cross multiply
354,564.24x = 489,300.26 × 193,418.79 - Step 4: Simplify right side
354,564.24x = 94,639,863,268.79 - Step 5: Solve for x
x = 94,639,863,268.79/354,564.24 - Step 6: Final answer
x = 266,918.81
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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.