Finding the Fourth Proportional to 266,903.97, 368,311.59 and 146,021.19
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Solution
The fourth proportional to 266,903.97, 368,311.59 and 146,021.19 is: 201,500.55
Step by Step Solution
- Step 1: Write the proportion equation
266,903.97 : 368,311.59 = 146,021.19 : x - Step 2: Convert to fraction form
266,903.97/368,311.59 = 146,021.19/x - Step 3: Cross multiply
266,903.97x = 368,311.59 × 146,021.19 - Step 4: Simplify right side
266,903.97x = 53,781,296,662.59 - Step 5: Solve for x
x = 53,781,296,662.59/266,903.97 - Step 6: Final answer
x = 201,500.55
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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.