Finding the Fourth Proportional to 371,700.84, 512,945.82 and 201,933.48
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Solution
The fourth proportional to 371,700.84, 512,945.82 and 201,933.48 is: 278,667.47
Step by Step Solution
- Step 1: Write the proportion equation
371,700.84 : 512,945.82 = 201,933.48 : x - Step 2: Convert to fraction form
371,700.84/512,945.82 = 201,933.48/x - Step 3: Cross multiply
371,700.84x = 512,945.82 × 201,933.48 - Step 4: Simplify right side
371,700.84x = 103,580,934,484.05 - Step 5: Solve for x
x = 103,580,934,484.05/371,700.84 - Step 6: Final answer
x = 278,667.47
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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.