Finding the Fourth Proportional to 371,408.42, 512,543.61 and 201,642.56
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Solution
The fourth proportional to 371,408.42, 512,543.61 and 201,642.56 is: 278,266.73
Step by Step Solution
- Step 1: Write the proportion equation
371,408.42 : 512,543.61 = 201,642.56 : x - Step 2: Convert to fraction form
371,408.42/512,543.61 = 201,642.56/x - Step 3: Cross multiply
371,408.42x = 512,543.61 × 201,642.56 - Step 4: Simplify right side
371,408.42x = 103,350,605,632.04 - Step 5: Solve for x
x = 103,350,605,632.04/371,408.42 - Step 6: Final answer
x = 278,266.73
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.