Finding the Fourth Proportional to 192,117.80, 288,176.70 and 125,762.60
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Solution
The fourth proportional to 192,117.80, 288,176.70 and 125,762.60 is: 188,643.90
Step by Step Solution
- Step 1: Write the proportion equation
192,117.80 : 288,176.70 = 125,762.60 : x - Step 2: Convert to fraction form
192,117.80/288,176.70 = 125,762.60/x - Step 3: Cross multiply
192,117.80x = 288,176.70 × 125,762.60 - Step 4: Simplify right side
192,117.80x = 36,241,851,051.42 - Step 5: Solve for x
x = 36,241,851,051.42/192,117.80 - Step 6: Final answer
x = 188,643.90
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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.