Finding the Fourth Proportional to 362,406.81, 500,128.17 and 201,276.95
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Solution
The fourth proportional to 362,406.81, 500,128.17 and 201,276.95 is: 277,765.95
Step by Step Solution
- Step 1: Write the proportion equation
362,406.81 : 500,128.17 = 201,276.95 : x - Step 2: Convert to fraction form
362,406.81/500,128.17 = 201,276.95/x - Step 3: Cross multiply
362,406.81x = 500,128.17 × 201,276.95 - Step 4: Simplify right side
362,406.81x = 100,664,272,666.68 - Step 5: Solve for x
x = 100,664,272,666.68/362,406.81 - Step 6: Final answer
x = 277,765.95
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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.