Finding the Fourth Proportional to 157,982.99, 217,891.04 and 119,349.63
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Solution
The fourth proportional to 157,982.99, 217,891.04 and 119,349.63 is: 164,607.69
Step by Step Solution
- Step 1: Write the proportion equation
157,982.99 : 217,891.04 = 119,349.63 : x - Step 2: Convert to fraction form
157,982.99/217,891.04 = 119,349.63/x - Step 3: Cross multiply
157,982.99x = 217,891.04 × 119,349.63 - Step 4: Simplify right side
157,982.99x = 26,005,214,407.57 - Step 5: Solve for x
x = 26,005,214,407.57/157,982.99 - Step 6: Final answer
x = 164,607.69
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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.