Finding the Fourth Proportional to 99,662.74, 149,468.56 and 29,525.65
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Solution
The fourth proportional to 99,662.74, 149,468.56 and 29,525.65 is: 44,280.90
Step by Step Solution
- Step 1: Write the proportion equation
99,662.74 : 149,468.56 = 29,525.65 : x - Step 2: Convert to fraction form
99,662.74/149,468.56 = 29,525.65/x - Step 3: Cross multiply
99,662.74x = 149,468.56 × 29,525.65 - Step 4: Simplify right side
99,662.74x = 4,413,155,941.08 - Step 5: Solve for x
x = 4,413,155,941.08/99,662.74 - Step 6: Final answer
x = 44,280.90
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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.