Finding the Fourth Proportional to 72,098.94, 108,160.70 and 22,177.95
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Solution
The fourth proportional to 72,098.94, 108,160.70 and 22,177.95 is: 33,270.70
Step by Step Solution
- Step 1: Write the proportion equation
72,098.94 : 108,160.70 = 22,177.95 : x - Step 2: Convert to fraction form
72,098.94/108,160.70 = 22,177.95/x - Step 3: Cross multiply
72,098.94x = 108,160.70 × 22,177.95 - Step 4: Simplify right side
72,098.94x = 2,398,782,485.68 - Step 5: Solve for x
x = 2,398,782,485.68/72,098.94 - Step 6: Final answer
x = 33,270.70
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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.