Finding the Fourth Proportional to 122,190.08, 183,309.57 and 42,230.99
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Solution
The fourth proportional to 122,190.08, 183,309.57 and 42,230.99 is: 63,354.93
Step by Step Solution
- Step 1: Write the proportion equation
122,190.08 : 183,309.57 = 42,230.99 : x - Step 2: Convert to fraction form
122,190.08/183,309.57 = 42,230.99/x - Step 3: Cross multiply
122,190.08x = 183,309.57 × 42,230.99 - Step 4: Simplify right side
122,190.08x = 7,741,343,701.03 - Step 5: Solve for x
x = 7,741,343,701.03/122,190.08 - Step 6: Final answer
x = 63,354.93
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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.