Finding the Fourth Proportional to 340,573.75, 470,006.36 and 189,670.75
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Solution
The fourth proportional to 340,573.75, 470,006.36 and 189,670.75 is: 261,753.76
Step by Step Solution
- Step 1: Write the proportion equation
340,573.75 : 470,006.36 = 189,670.75 : x - Step 2: Convert to fraction form
340,573.75/470,006.36 = 189,670.75/x - Step 3: Cross multiply
340,573.75x = 470,006.36 × 189,670.75 - Step 4: Simplify right side
340,573.75x = 89,146,458,805.97 - Step 5: Solve for x
x = 89,146,458,805.97/340,573.75 - Step 6: Final answer
x = 261,753.76
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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.