Finding the Fourth Proportional to 354,952.54, 489,830.76 and 193,807.08
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Solution
The fourth proportional to 354,952.54, 489,830.76 and 193,807.08 is: 267,451.73
Step by Step Solution
- Step 1: Write the proportion equation
354,952.54 : 489,830.76 = 193,807.08 : x - Step 2: Convert to fraction form
354,952.54/489,830.76 = 193,807.08/x - Step 3: Cross multiply
354,952.54x = 489,830.76 × 193,807.08 - Step 4: Simplify right side
354,952.54x = 94,932,669,289.78 - Step 5: Solve for x
x = 94,932,669,289.78/354,952.54 - Step 6: Final answer
x = 267,451.73
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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.