Finding the Fourth Proportional to 104,614.20, 144,370.08 and 59,296.80
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Solution
The fourth proportional to 104,614.20, 144,370.08 and 59,296.80 is: 81,830.99
Step by Step Solution
- Step 1: Write the proportion equation
104,614.20 : 144,370.08 = 59,296.80 : x - Step 2: Convert to fraction form
104,614.20/144,370.08 = 59,296.80/x - Step 3: Cross multiply
104,614.20x = 144,370.08 × 59,296.80 - Step 4: Simplify right side
104,614.20x = 8,560,683,759.74 - Step 5: Solve for x
x = 8,560,683,759.74/104,614.20 - Step 6: Final answer
x = 81,830.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.