Finding the Fourth Proportional to 149,146.34, 223,586.84 and 54,358.70
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Solution
The fourth proportional to 149,146.34, 223,586.84 and 54,358.70 is: 81,489.70
Step by Step Solution
- Step 1: Write the proportion equation
149,146.34 : 223,586.84 = 54,358.70 : x - Step 2: Convert to fraction form
149,146.34/223,586.84 = 54,358.70/x - Step 3: Cross multiply
149,146.34x = 223,586.84 × 54,358.70 - Step 4: Simplify right side
149,146.34x = 12,153,889,959.51 - Step 5: Solve for x
x = 12,153,889,959.51/149,146.34 - Step 6: Final answer
x = 81,489.70
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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.