Finding the Fourth Proportional to 274,323.70, 410,829.45 and 221,835.70
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Solution
The fourth proportional to 274,323.70, 410,829.45 and 221,835.70 is: 332,222.99
Step by Step Solution
- Step 1: Write the proportion equation
274,323.70 : 410,829.45 = 221,835.70 : x - Step 2: Convert to fraction form
274,323.70/410,829.45 = 221,835.70/x - Step 3: Cross multiply
274,323.70x = 410,829.45 × 221,835.70 - Step 4: Simplify right side
274,323.70x = 91,136,638,621.37 - Step 5: Solve for x
x = 91,136,638,621.37/274,323.70 - Step 6: Final answer
x = 332,222.99
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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.