Finding the Fourth Proportional to 376,513.41, 519,406.11 and 249,295.62
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Solution
The fourth proportional to 376,513.41, 519,406.11 and 249,295.62 is: 343,907.19
Step by Step Solution
- Step 1: Write the proportion equation
376,513.41 : 519,406.11 = 249,295.62 : x - Step 2: Convert to fraction form
376,513.41/519,406.11 = 249,295.62/x - Step 3: Cross multiply
376,513.41x = 519,406.11 × 249,295.62 - Step 4: Simplify right side
376,513.41x = 129,485,668,224.24 - Step 5: Solve for x
x = 129,485,668,224.24/376,513.41 - Step 6: Final answer
x = 343,907.19
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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.