Finding the Fourth Proportional to 192,725.05, 288,921.34 and 92,747.71
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Solution
The fourth proportional to 192,725.05, 288,921.34 and 92,747.71 is: 139,041.57
Step by Step Solution
- Step 1: Write the proportion equation
192,725.05 : 288,921.34 = 92,747.71 : x - Step 2: Convert to fraction form
192,725.05/288,921.34 = 92,747.71/x - Step 3: Cross multiply
192,725.05x = 288,921.34 × 92,747.71 - Step 4: Simplify right side
192,725.05x = 26,796,792,655.13 - Step 5: Solve for x
x = 26,796,792,655.13/192,725.05 - Step 6: Final answer
x = 139,041.57
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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.