Finding the Fourth Proportional to 192,165.84, 288,248.76 and 98,611.92
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Solution
The fourth proportional to 192,165.84, 288,248.76 and 98,611.92 is: 147,917.88
Step by Step Solution
- Step 1: Write the proportion equation
192,165.84 : 288,248.76 = 98,611.92 : x - Step 2: Convert to fraction form
192,165.84/288,248.76 = 98,611.92/x - Step 3: Cross multiply
192,165.84x = 288,248.76 × 98,611.92 - Step 4: Simplify right side
192,165.84x = 28,424,763,661.22 - Step 5: Solve for x
x = 28,424,763,661.22/192,165.84 - Step 6: Final answer
x = 147,917.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.