Finding the Fourth Proportional to 219,896.64, 329,845.68 and 93,518.88
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Solution
The fourth proportional to 219,896.64, 329,845.68 and 93,518.88 is: 140,278.63
Step by Step Solution
- Step 1: Write the proportion equation
219,896.64 : 329,845.68 = 93,518.88 : x - Step 2: Convert to fraction form
219,896.64/329,845.68 = 93,518.88/x - Step 3: Cross multiply
219,896.64x = 329,845.68 × 93,518.88 - Step 4: Simplify right side
219,896.64x = 30,846,798,566.44 - Step 5: Solve for x
x = 30,846,798,566.44/219,896.64 - Step 6: Final answer
x = 140,278.63
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1.5x scale
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.