Finding the Fourth Proportional to 219,760.62, 329,690.63 and 70,009.44
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Solution
The fourth proportional to 219,760.62, 329,690.63 and 70,009.44 is: 105,029.99
Step by Step Solution
- Step 1: Write the proportion equation
219,760.62 : 329,690.63 = 70,009.44 : x - Step 2: Convert to fraction form
219,760.62/329,690.63 = 70,009.44/x - Step 3: Cross multiply
219,760.62x = 329,690.63 × 70,009.44 - Step 4: Simplify right side
219,760.62x = 23,081,456,379.55 - Step 5: Solve for x
x = 23,081,456,379.55/219,760.62 - Step 6: Final answer
x = 105,029.99
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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.