Finding the Fourth Proportional to 219,754.08, 329,631.12 and 69,996.96
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Solution
The fourth proportional to 219,754.08, 329,631.12 and 69,996.96 is: 104,995.44
Step by Step Solution
- Step 1: Write the proportion equation
219,754.08 : 329,631.12 = 69,996.96 : x - Step 2: Convert to fraction form
219,754.08/329,631.12 = 69,996.96/x - Step 3: Cross multiply
219,754.08x = 329,631.12 × 69,996.96 - Step 4: Simplify right side
219,754.08x = 23,073,176,321.40 - Step 5: Solve for x
x = 23,073,176,321.40/219,754.08 - Step 6: Final answer
x = 104,995.44
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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.