Finding the Fourth Proportional to 99,023.07, 148,532.13 and 28,902.99
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Solution
The fourth proportional to 99,023.07, 148,532.13 and 28,902.99 is: 43,353.76
Step by Step Solution
- Step 1: Write the proportion equation
99,023.07 : 148,532.13 = 28,902.99 : x - Step 2: Convert to fraction form
99,023.07/148,532.13 = 28,902.99/x - Step 3: Cross multiply
99,023.07x = 148,532.13 × 28,902.99 - Step 4: Simplify right side
99,023.07x = 4,293,022,668.07 - Step 5: Solve for x
x = 4,293,022,668.07/99,023.07 - Step 6: Final answer
x = 43,353.76
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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.