Finding the Fourth Proportional to 354,956.48, 489,842.88 and 193,807.52
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Solution
The fourth proportional to 354,956.48, 489,842.88 and 193,807.52 is: 267,455.98
Step by Step Solution
- Step 1: Write the proportion equation
354,956.48 : 489,842.88 = 193,807.52 : x - Step 2: Convert to fraction form
354,956.48/489,842.88 = 193,807.52/x - Step 3: Cross multiply
354,956.48x = 489,842.88 × 193,807.52 - Step 4: Simplify right side
354,956.48x = 94,935,233,762.46 - Step 5: Solve for x
x = 94,935,233,762.46/354,956.48 - Step 6: Final answer
x = 267,455.98
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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.