Finding the Fourth Proportional to 98,272.44, 147,408.69 and 65,203.80
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Solution
The fourth proportional to 98,272.44, 147,408.69 and 65,203.80 is: 97,805.72
Step by Step Solution
- Step 1: Write the proportion equation
98,272.44 : 147,408.69 = 65,203.80 : x - Step 2: Convert to fraction form
98,272.44/147,408.69 = 65,203.80/x - Step 3: Cross multiply
98,272.44x = 147,408.69 × 65,203.80 - Step 4: Simplify right side
98,272.44x = 9,611,606,741.02 - Step 5: Solve for x
x = 9,611,606,741.02/98,272.44 - Step 6: Final answer
x = 97,805.72
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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.