Finding the Fourth Proportional to 203,572.44, 280,930.68 and 112,930.20
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Solution
The fourth proportional to 203,572.44, 280,930.68 and 112,930.20 is: 155,844.07
Step by Step Solution
- Step 1: Write the proportion equation
203,572.44 : 280,930.68 = 112,930.20 : x - Step 2: Convert to fraction form
203,572.44/280,930.68 = 112,930.20/x - Step 3: Cross multiply
203,572.44x = 280,930.68 × 112,930.20 - Step 4: Simplify right side
203,572.44x = 31,725,557,878.54 - Step 5: Solve for x
x = 31,725,557,878.54/203,572.44 - Step 6: Final answer
x = 155,844.07
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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.