Finding the Fourth Proportional to 210,626.29, 290,630.36 and 119,984.05
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Solution
The fourth proportional to 210,626.29, 290,630.36 and 119,984.05 is: 165,558.67
Step by Step Solution
- Step 1: Write the proportion equation
210,626.29 : 290,630.36 = 119,984.05 : x - Step 2: Convert to fraction form
210,626.29/290,630.36 = 119,984.05/x - Step 3: Cross multiply
210,626.29x = 290,630.36 × 119,984.05 - Step 4: Simplify right side
210,626.29x = 34,871,008,309.01 - Step 5: Solve for x
x = 34,871,008,309.01/210,626.29 - Step 6: Final answer
x = 165,558.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.