Finding the Fourth Proportional to 156,219.26, 215,582.58 and 84,599.28
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Solution
The fourth proportional to 156,219.26, 215,582.58 and 84,599.28 is: 116,747.01
Step by Step Solution
- Step 1: Write the proportion equation
156,219.26 : 215,582.58 = 84,599.28 : x - Step 2: Convert to fraction form
156,219.26/215,582.58 = 84,599.28/x - Step 3: Cross multiply
156,219.26x = 215,582.58 × 84,599.28 - Step 4: Simplify right side
156,219.26x = 18,238,131,048.54 - Step 5: Solve for x
x = 18,238,131,048.54/156,219.26 - Step 6: Final answer
x = 116,747.01
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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.