Finding the Fourth Proportional to 354,584.83, 489,339.39 and 193,448.74
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Solution
The fourth proportional to 354,584.83, 489,339.39 and 193,448.74 is: 266,965.99
Step by Step Solution
- Step 1: Write the proportion equation
354,584.83 : 489,339.39 = 193,448.74 : x - Step 2: Convert to fraction form
354,584.83/489,339.39 = 193,448.74/x - Step 3: Cross multiply
354,584.83x = 489,339.39 × 193,448.74 - Step 4: Simplify right side
354,584.83x = 94,662,088,427.87 - Step 5: Solve for x
x = 94,662,088,427.87/354,584.83 - Step 6: Final answer
x = 266,965.99
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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.