Finding the Fourth Proportional to 68,266.75, 102,417.41 and 19,018.75
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Solution
The fourth proportional to 68,266.75, 102,417.41 and 19,018.75 is: 28,532.94
Step by Step Solution
- Step 1: Write the proportion equation
68,266.75 : 102,417.41 = 19,018.75 : x - Step 2: Convert to fraction form
68,266.75/102,417.41 = 19,018.75/x - Step 3: Cross multiply
68,266.75x = 102,417.41 × 19,018.75 - Step 4: Simplify right side
68,266.75x = 1,947,851,116.44 - Step 5: Solve for x
x = 1,947,851,116.44/68,266.75 - Step 6: Final answer
x = 28,532.94
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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.