Finding the Fourth Proportional to 354,564.99, 489,301.29 and 193,419.54
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Solution
The fourth proportional to 354,564.99, 489,301.29 and 193,419.54 is: 266,919.84
Step by Step Solution
- Step 1: Write the proportion equation
354,564.99 : 489,301.29 = 193,419.54 : x - Step 2: Convert to fraction form
354,564.99/489,301.29 = 193,419.54/x - Step 3: Cross multiply
354,564.99x = 489,301.29 × 193,419.54 - Step 4: Simplify right side
354,564.99x = 94,640,430,433.21 - Step 5: Solve for x
x = 94,640,430,433.21/354,564.99 - Step 6: Final answer
x = 266,919.84
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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.