Finding the Fourth Proportional to 239,293.44, 358,979.84 and 89,586.56
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Solution
The fourth proportional to 239,293.44, 358,979.84 and 89,586.56 is: 134,394.70
Step by Step Solution
- Step 1: Write the proportion equation
239,293.44 : 358,979.84 = 89,586.56 : x - Step 2: Convert to fraction form
239,293.44/358,979.84 = 89,586.56/x - Step 3: Cross multiply
239,293.44x = 358,979.84 × 89,586.56 - Step 4: Simplify right side
239,293.44x = 32,159,768,974.95 - Step 5: Solve for x
x = 32,159,768,974.95/239,293.44 - Step 6: Final answer
x = 134,394.70
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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.