Finding the Fourth Proportional to 354,386.49, 489,035.63 and 201,404.49
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Solution
The fourth proportional to 354,386.49, 489,035.63 and 201,404.49 is: 277,928.12
Step by Step Solution
- Step 1: Write the proportion equation
354,386.49 : 489,035.63 = 201,404.49 : x - Step 2: Convert to fraction form
354,386.49/489,035.63 = 201,404.49/x - Step 3: Cross multiply
354,386.49x = 489,035.63 × 201,404.49 - Step 4: Simplify right side
354,386.49x = 98,493,970,644.96 - Step 5: Solve for x
x = 98,493,970,644.96/354,386.49 - Step 6: Final answer
x = 277,928.12
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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.