Finding the Fourth Proportional to 371,293.60, 512,385.76 and 201,527.68
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Solution
The fourth proportional to 371,293.60, 512,385.76 and 201,527.68 is: 278,108.52
Step by Step Solution
- Step 1: Write the proportion equation
371,293.60 : 512,385.76 = 201,527.68 : x - Step 2: Convert to fraction form
371,293.60/512,385.76 = 201,527.68/x - Step 3: Cross multiply
371,293.60x = 512,385.76 × 201,527.68 - Step 4: Simplify right side
371,293.60x = 103,259,913,477.84 - Step 5: Solve for x
x = 103,259,913,477.84/371,293.60 - Step 6: Final answer
x = 278,108.52
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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.