Finding the Fourth Proportional to 246,021.80, 369,032.70 and 214,917.80
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Solution
The fourth proportional to 246,021.80, 369,032.70 and 214,917.80 is: 322,376.70
Step by Step Solution
- Step 1: Write the proportion equation
246,021.80 : 369,032.70 = 214,917.80 : x - Step 2: Convert to fraction form
246,021.80/369,032.70 = 214,917.80/x - Step 3: Cross multiply
246,021.80x = 369,032.70 × 214,917.80 - Step 4: Simplify right side
246,021.80x = 79,311,696,012.06 - Step 5: Solve for x
x = 79,311,696,012.06/246,021.80 - Step 6: Final answer
x = 322,376.70
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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.