Finding the Fourth Proportional to 339,787.30, 508,571.64 and 249,806.26
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Solution
The fourth proportional to 339,787.30, 508,571.64 and 249,806.26 is: 373,893.84
Step by Step Solution
- Step 1: Write the proportion equation
339,787.30 : 508,571.64 = 249,806.26 : x - Step 2: Convert to fraction form
339,787.30/508,571.64 = 249,806.26/x - Step 3: Cross multiply
339,787.30x = 508,571.64 × 249,806.26 - Step 4: Simplify right side
339,787.30x = 127,044,379,330.47 - Step 5: Solve for x
x = 127,044,379,330.47/339,787.30 - Step 6: Final answer
x = 373,893.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.