Finding the Fourth Proportional to 99,629.08, 149,452.18 and 28,551.98
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Solution
The fourth proportional to 99,629.08, 149,452.18 and 28,551.98 is: 42,830.42
Step by Step Solution
- Step 1: Write the proportion equation
99,629.08 : 149,452.18 = 28,551.98 : x - Step 2: Convert to fraction form
99,629.08/149,452.18 = 28,551.98/x - Step 3: Cross multiply
99,629.08x = 149,452.18 × 28,551.98 - Step 4: Simplify right side
99,629.08x = 4,267,155,654.32 - Step 5: Solve for x
x = 4,267,155,654.32/99,629.08 - Step 6: Final answer
x = 42,830.42
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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.