Finding the Fourth Proportional to 157,648.36, 236,049.18 and 98,366.44
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Solution
The fourth proportional to 157,648.36, 236,049.18 and 98,366.44 is: 147,285.50
Step by Step Solution
- Step 1: Write the proportion equation
157,648.36 : 236,049.18 = 98,366.44 : x - Step 2: Convert to fraction form
157,648.36/236,049.18 = 98,366.44/x - Step 3: Cross multiply
157,648.36x = 236,049.18 × 98,366.44 - Step 4: Simplify right side
157,648.36x = 23,219,317,501.52 - Step 5: Solve for x
x = 23,219,317,501.52/157,648.36 - Step 6: Final answer
x = 147,285.50
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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.