Finding the Fourth Proportional to 422,474.48, 632,895.16 and 234,917.36
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Solution
The fourth proportional to 422,474.48, 632,895.16 and 234,917.36 is: 351,921.99
Step by Step Solution
- Step 1: Write the proportion equation
422,474.48 : 632,895.16 = 234,917.36 : x - Step 2: Convert to fraction form
422,474.48/632,895.16 = 234,917.36/x - Step 3: Cross multiply
422,474.48x = 632,895.16 × 234,917.36 - Step 4: Simplify right side
422,474.48x = 148,678,060,143.98 - Step 5: Solve for x
x = 148,678,060,143.98/422,474.48 - Step 6: Final answer
x = 351,921.99
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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.