Finding the Fourth Proportional to 192,258.80, 288,301.80 and 73,890.80
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Solution
The fourth proportional to 192,258.80, 288,301.80 and 73,890.80 is: 110,802.99
Step by Step Solution
- Step 1: Write the proportion equation
192,258.80 : 288,301.80 = 73,890.80 : x - Step 2: Convert to fraction form
192,258.80/288,301.80 = 73,890.80/x - Step 3: Cross multiply
192,258.80x = 288,301.80 × 73,890.80 - Step 4: Simplify right side
192,258.80x = 21,302,850,643.44 - Step 5: Solve for x
x = 21,302,850,643.44/192,258.80 - Step 6: Final answer
x = 110,802.99
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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.