Finding the Fourth Proportional to 147,813.19, 221,711.59 and 131,361.48
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Solution
The fourth proportional to 147,813.19, 221,711.59 and 131,361.48 is: 197,034.94
Step by Step Solution
- Step 1: Write the proportion equation
147,813.19 : 221,711.59 = 131,361.48 : x - Step 2: Convert to fraction form
147,813.19/221,711.59 = 131,361.48/x - Step 3: Cross multiply
147,813.19x = 221,711.59 × 131,361.48 - Step 4: Simplify right side
147,813.19x = 29,124,362,595.55 - Step 5: Solve for x
x = 29,124,362,595.55/147,813.19 - Step 6: Final answer
x = 197,034.94
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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.