Finding the Fourth Proportional to 371,280.87, 512,368.11 and 201,515.01
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Solution
The fourth proportional to 371,280.87, 512,368.11 and 201,515.01 is: 278,090.99
Step by Step Solution
- Step 1: Write the proportion equation
371,280.87 : 512,368.11 = 201,515.01 : x - Step 2: Convert to fraction form
371,280.87/512,368.11 = 201,515.01/x - Step 3: Cross multiply
371,280.87x = 512,368.11 × 201,515.01 - Step 4: Simplify right side
371,280.87x = 103,249,864,810.33 - Step 5: Solve for x
x = 103,249,864,810.33/371,280.87 - Step 6: Final answer
x = 278,090.99
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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.