Finding the Fourth Proportional to 371,667.68, 512,901.84 and 201,901.76
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Solution
The fourth proportional to 371,667.68, 512,901.84 and 201,901.76 is: 278,624.67
Step by Step Solution
- Step 1: Write the proportion equation
371,667.68 : 512,901.84 = 201,901.76 : x - Step 2: Convert to fraction form
371,667.68/512,901.84 = 201,901.76/x - Step 3: Cross multiply
371,667.68x = 512,901.84 × 201,901.76 - Step 4: Simplify right side
371,667.68x = 103,555,784,203.24 - Step 5: Solve for x
x = 103,555,784,203.24/371,667.68 - Step 6: Final answer
x = 278,624.67
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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.