Finding the Fourth Proportional to 149,225.10, 223,815.57 and 54,433.09
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Solution
The fourth proportional to 149,225.10, 223,815.57 and 54,433.09 is: 81,641.58
Step by Step Solution
- Step 1: Write the proportion equation
149,225.10 : 223,815.57 = 54,433.09 : x - Step 2: Convert to fraction form
149,225.10/223,815.57 = 54,433.09/x - Step 3: Cross multiply
149,225.10x = 223,815.57 × 54,433.09 - Step 4: Simplify right side
149,225.10x = 12,182,973,065.21 - Step 5: Solve for x
x = 12,182,973,065.21/149,225.10 - Step 6: Final answer
x = 81,641.58
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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.