Finding the Fourth Proportional to 351,630.86, 485,252.92 and 190,485.79
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Solution
The fourth proportional to 351,630.86, 485,252.92 and 190,485.79 is: 262,871.65
Step by Step Solution
- Step 1: Write the proportion equation
351,630.86 : 485,252.92 = 190,485.79 : x - Step 2: Convert to fraction form
351,630.86/485,252.92 = 190,485.79/x - Step 3: Cross multiply
351,630.86x = 485,252.92 × 190,485.79 - Step 4: Simplify right side
351,630.86x = 92,433,784,863.58 - Step 5: Solve for x
x = 92,433,784,863.58/351,630.86 - Step 6: Final answer
x = 262,871.65
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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.