Finding the Fourth Proportional to 147,932.52, 204,135.84 and 84,257.88
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Solution
The fourth proportional to 147,932.52, 204,135.84 and 84,257.88 is: 116,269.59
Step by Step Solution
- Step 1: Write the proportion equation
147,932.52 : 204,135.84 = 84,257.88 : x - Step 2: Convert to fraction form
147,932.52/204,135.84 = 84,257.88/x - Step 3: Cross multiply
147,932.52x = 204,135.84 × 84,257.88 - Step 4: Simplify right side
147,932.52x = 17,200,053,110.42 - Step 5: Solve for x
x = 17,200,053,110.42/147,932.52 - Step 6: Final answer
x = 116,269.59
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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.