Finding the Fourth Proportional to 119,288.99, 164,615.40 and 65,566.62
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Solution
The fourth proportional to 119,288.99, 164,615.40 and 65,566.62 is: 90,480.07
Step by Step Solution
- Step 1: Write the proportion equation
119,288.99 : 164,615.40 = 65,566.62 : x - Step 2: Convert to fraction form
119,288.99/164,615.40 = 65,566.62/x - Step 3: Cross multiply
119,288.99x = 164,615.40 × 65,566.62 - Step 4: Simplify right side
119,288.99x = 10,793,275,377.95 - Step 5: Solve for x
x = 10,793,275,377.95/119,288.99 - Step 6: Final answer
x = 90,480.07
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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.