Finding the Fourth Proportional to 298,573.45, 412,031.79 and 162,607.99
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Solution
The fourth proportional to 298,573.45, 412,031.79 and 162,607.99 is: 224,399.26
Step by Step Solution
- Step 1: Write the proportion equation
298,573.45 : 412,031.79 = 162,607.99 : x - Step 2: Convert to fraction form
298,573.45/412,031.79 = 162,607.99/x - Step 3: Cross multiply
298,573.45x = 412,031.79 × 162,607.99 - Step 4: Simplify right side
298,573.45x = 66,999,661,188.00 - Step 5: Solve for x
x = 66,999,661,188.00/298,573.45 - Step 6: Final answer
x = 224,399.26
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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.