Finding the Fourth Proportional to 354,944.84, 489,823.61 and 193,799.88
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Solution
The fourth proportional to 354,944.84, 489,823.61 and 193,799.88 is: 267,443.69
Step by Step Solution
- Step 1: Write the proportion equation
354,944.84 : 489,823.61 = 193,799.88 : x - Step 2: Convert to fraction form
354,944.84/489,823.61 = 193,799.88/x - Step 3: Cross multiply
354,944.84x = 489,823.61 × 193,799.88 - Step 4: Simplify right side
354,944.84x = 94,927,758,281.02 - Step 5: Solve for x
x = 94,927,758,281.02/354,944.84 - Step 6: Final answer
x = 267,443.69
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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.