Finding the Fourth Proportional to 213,543.75, 294,664.79 and 118,037.46
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Solution
The fourth proportional to 213,543.75, 294,664.79 and 118,037.46 is: 162,877.55
Step by Step Solution
- Step 1: Write the proportion equation
213,543.75 : 294,664.79 = 118,037.46 : x - Step 2: Convert to fraction form
213,543.75/294,664.79 = 118,037.46/x - Step 3: Cross multiply
213,543.75x = 294,664.79 × 118,037.46 - Step 4: Simplify right side
213,543.75x = 34,781,483,658.13 - Step 5: Solve for x
x = 34,781,483,658.13/213,543.75 - Step 6: Final answer
x = 162,877.55
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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.