Finding the Fourth Proportional to 99,874.36, 149,753.58 and 47,283.40
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Solution
The fourth proportional to 99,874.36, 149,753.58 and 47,283.40 is: 70,897.66
Step by Step Solution
- Step 1: Write the proportion equation
99,874.36 : 149,753.58 = 47,283.40 : x - Step 2: Convert to fraction form
99,874.36/149,753.58 = 47,283.40/x - Step 3: Cross multiply
99,874.36x = 149,753.58 × 47,283.40 - Step 4: Simplify right side
99,874.36x = 7,080,858,424.57 - Step 5: Solve for x
x = 7,080,858,424.57/99,874.36 - Step 6: Final answer
x = 70,897.66
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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.