Finding the Fourth Proportional to 354,727.53, 489,480.93 and 201,785.13
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Solution
The fourth proportional to 354,727.53, 489,480.93 and 201,785.13 is: 278,438.98
Step by Step Solution
- Step 1: Write the proportion equation
354,727.53 : 489,480.93 = 201,785.13 : x - Step 2: Convert to fraction form
354,727.53/489,480.93 = 201,785.13/x - Step 3: Cross multiply
354,727.53x = 489,480.93 × 201,785.13 - Step 4: Simplify right side
354,727.53x = 98,769,973,092.57 - Step 5: Solve for x
x = 98,769,973,092.57/354,727.53 - Step 6: Final answer
x = 278,438.98
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1.5x scale
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.