Finding the Fourth Proportional to 99,572.14, 149,358.21 and 29,445.99
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Solution
The fourth proportional to 99,572.14, 149,358.21 and 29,445.99 is: 44,168.99
Step by Step Solution
- Step 1: Write the proportion equation
99,572.14 : 149,358.21 = 29,445.99 : x - Step 2: Convert to fraction form
99,572.14/149,358.21 = 29,445.99/x - Step 3: Cross multiply
99,572.14x = 149,358.21 × 29,445.99 - Step 4: Simplify right side
99,572.14x = 4,398,000,358.08 - Step 5: Solve for x
x = 4,398,000,358.08/99,572.14 - Step 6: Final answer
x = 44,168.99
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1.5x scale
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.