Finding the Fourth Proportional to 68,185.98, 102,283.11 and 28,746.18
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Solution
The fourth proportional to 68,185.98, 102,283.11 and 28,746.18 is: 43,121.02
Step by Step Solution
- Step 1: Write the proportion equation
68,185.98 : 102,283.11 = 28,746.18 : x - Step 2: Convert to fraction form
68,185.98/102,283.11 = 28,746.18/x - Step 3: Cross multiply
68,185.98x = 102,283.11 × 28,746.18 - Step 4: Simplify right side
68,185.98x = 2,940,248,691.02 - Step 5: Solve for x
x = 2,940,248,691.02/68,185.98 - Step 6: Final answer
x = 43,121.02
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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.