Finding the Fourth Proportional to 371,681.40, 512,917.50 and 201,916.74
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Solution
The fourth proportional to 371,681.40, 512,917.50 and 201,916.74 is: 278,643.56
Step by Step Solution
- Step 1: Write the proportion equation
371,681.40 : 512,917.50 = 201,916.74 : x - Step 2: Convert to fraction form
371,681.40/512,917.50 = 201,916.74/x - Step 3: Cross multiply
371,681.40x = 512,917.50 × 201,916.74 - Step 4: Simplify right side
371,681.40x = 103,566,629,488.95 - Step 5: Solve for x
x = 103,566,629,488.95/371,681.40 - Step 6: Final answer
x = 278,643.56
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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.