Finding the Fourth Proportional to 354,884.95, 489,748.64 and 193,746.79
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Solution
The fourth proportional to 354,884.95, 489,748.64 and 193,746.79 is: 267,374.62
Step by Step Solution
- Step 1: Write the proportion equation
354,884.95 : 489,748.64 = 193,746.79 : x - Step 2: Convert to fraction form
354,884.95/489,748.64 = 193,746.79/x - Step 3: Cross multiply
354,884.95x = 489,748.64 × 193,746.79 - Step 4: Simplify right side
354,884.95x = 94,887,226,906.87 - Step 5: Solve for x
x = 94,887,226,906.87/354,884.95 - Step 6: Final answer
x = 267,374.62
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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.