Finding the Fourth Proportional to 99,148.82, 148,701.35 and 29,033.60
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Solution
The fourth proportional to 99,148.82, 148,701.35 and 29,033.60 is: 43,543.99
Step by Step Solution
- Step 1: Write the proportion equation
99,148.82 : 148,701.35 = 29,033.60 : x - Step 2: Convert to fraction form
99,148.82/148,701.35 = 29,033.60/x - Step 3: Cross multiply
99,148.82x = 148,701.35 × 29,033.60 - Step 4: Simplify right side
99,148.82x = 4,317,334,844.44 - Step 5: Solve for x
x = 4,317,334,844.44/99,148.82 - Step 6: Final answer
x = 43,543.99
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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.