Finding the Fourth Proportional to 98,773.22, 148,163.98 and 31,303.79
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Solution
The fourth proportional to 98,773.22, 148,163.98 and 31,303.79 is: 46,956.99
Step by Step Solution
- Step 1: Write the proportion equation
98,773.22 : 148,163.98 = 31,303.79 : x - Step 2: Convert to fraction form
98,773.22/148,163.98 = 31,303.79/x - Step 3: Cross multiply
98,773.22x = 148,163.98 × 31,303.79 - Step 4: Simplify right side
98,773.22x = 4,638,093,296.40 - Step 5: Solve for x
x = 4,638,093,296.40/98,773.22 - Step 6: Final answer
x = 46,956.99
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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.