Finding the Fourth Proportional to 157,640.16, 236,155.36 and 132,035.68
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Solution
The fourth proportional to 157,640.16, 236,155.36 and 132,035.68 is: 197,798.16
Step by Step Solution
- Step 1: Write the proportion equation
157,640.16 : 236,155.36 = 132,035.68 : x - Step 2: Convert to fraction form
157,640.16/236,155.36 = 132,035.68/x - Step 3: Cross multiply
157,640.16x = 236,155.36 × 132,035.68 - Step 4: Simplify right side
157,640.16x = 31,180,933,543.24 - Step 5: Solve for x
x = 31,180,933,543.24/157,640.16 - Step 6: Final answer
x = 197,798.16
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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.