Finding the Fourth Proportional to 110,626.40, 152,655.36 and 62,868.80
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Solution
The fourth proportional to 110,626.40, 152,655.36 and 62,868.80 is: 86,753.79
Step by Step Solution
- Step 1: Write the proportion equation
110,626.40 : 152,655.36 = 62,868.80 : x - Step 2: Convert to fraction form
110,626.40/152,655.36 = 62,868.80/x - Step 3: Cross multiply
110,626.40x = 152,655.36 × 62,868.80 - Step 4: Simplify right side
110,626.40x = 9,597,259,296.77 - Step 5: Solve for x
x = 9,597,259,296.77/110,626.40 - Step 6: Final answer
x = 86,753.79
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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.