Finding the Fourth Proportional to 149,137.07, 223,572.99 and 54,349.46
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Solution
The fourth proportional to 149,137.07, 223,572.99 and 54,349.46 is: 81,475.85
Step by Step Solution
- Step 1: Write the proportion equation
149,137.07 : 223,572.99 = 54,349.46 : x - Step 2: Convert to fraction form
149,137.07/223,572.99 = 54,349.46/x - Step 3: Cross multiply
149,137.07x = 223,572.99 × 54,349.46 - Step 4: Simplify right side
149,137.07x = 12,151,070,114.06 - Step 5: Solve for x
x = 12,151,070,114.06/149,137.07 - Step 6: Final answer
x = 81,475.85
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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.