Finding the Fourth Proportional to 299,422.44, 449,368.29 and 208,876.19
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Solution
The fourth proportional to 299,422.44, 449,368.29 and 208,876.19 is: 313,477.95
Step by Step Solution
- Step 1: Write the proportion equation
299,422.44 : 449,368.29 = 208,876.19 : x - Step 2: Convert to fraction form
299,422.44/449,368.29 = 208,876.19/x - Step 3: Cross multiply
299,422.44x = 449,368.29 × 208,876.19 - Step 4: Simplify right side
299,422.44x = 93,862,334,075.17 - Step 5: Solve for x
x = 93,862,334,075.17/299,422.44 - Step 6: Final answer
x = 313,477.95
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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.