Finding the Fourth Proportional to 354,460.68, 489,136.28 and 201,477.60
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Solution
The fourth proportional to 354,460.68, 489,136.28 and 201,477.60 is: 278,028.03
Step by Step Solution
- Step 1: Write the proportion equation
354,460.68 : 489,136.28 = 201,477.60 : x - Step 2: Convert to fraction form
354,460.68/489,136.28 = 201,477.60/x - Step 3: Cross multiply
354,460.68x = 489,136.28 × 201,477.60 - Step 4: Simplify right side
354,460.68x = 98,550,003,767.33 - Step 5: Solve for x
x = 98,550,003,767.33/354,460.68 - Step 6: Final answer
x = 278,028.03
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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.