Finding the Fourth Proportional to 192,656.80, 288,946.80 and 92,816.80
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Solution
The fourth proportional to 192,656.80, 288,946.80 and 92,816.80 is: 139,206.70
Step by Step Solution
- Step 1: Write the proportion equation
192,656.80 : 288,946.80 = 92,816.80 : x - Step 2: Convert to fraction form
192,656.80/288,946.80 = 92,816.80/x - Step 3: Cross multiply
192,656.80x = 288,946.80 × 92,816.80 - Step 4: Simplify right side
192,656.80x = 26,819,117,346.24 - Step 5: Solve for x
x = 26,819,117,346.24/192,656.80 - Step 6: Final answer
x = 139,206.70
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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.