Finding the Fourth Proportional to 99,686.86, 149,529.95 and 24,806.99
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Solution
The fourth proportional to 99,686.86, 149,529.95 and 24,806.99 is: 37,210.40
Step by Step Solution
- Step 1: Write the proportion equation
99,686.86 : 149,529.95 = 24,806.99 : x - Step 2: Convert to fraction form
99,686.86/149,529.95 = 24,806.99/x - Step 3: Cross multiply
99,686.86x = 149,529.95 × 24,806.99 - Step 4: Simplify right side
99,686.86x = 3,709,388,224.14 - Step 5: Solve for x
x = 3,709,388,224.14/99,686.86 - Step 6: Final answer
x = 37,210.40
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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.