Finding the Fourth Proportional to 110,603.12, 152,635.88 and 62,213.44
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Solution
The fourth proportional to 110,603.12, 152,635.88 and 62,213.44 is: 85,856.56
Step by Step Solution
- Step 1: Write the proportion equation
110,603.12 : 152,635.88 = 62,213.44 : x - Step 2: Convert to fraction form
110,603.12/152,635.88 = 62,213.44/x - Step 3: Cross multiply
110,603.12x = 152,635.88 × 62,213.44 - Step 4: Simplify right side
110,603.12x = 9,496,003,162.23 - Step 5: Solve for x
x = 9,496,003,162.23/110,603.12 - Step 6: Final answer
x = 85,856.56
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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.