Finding the Fourth Proportional to 98,431.14, 147,637.35 and 39,250.98
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Solution
The fourth proportional to 98,431.14, 147,637.35 and 39,250.98 is: 58,872.74
Step by Step Solution
- Step 1: Write the proportion equation
98,431.14 : 147,637.35 = 39,250.98 : x - Step 2: Convert to fraction form
98,431.14/147,637.35 = 39,250.98/x - Step 3: Cross multiply
98,431.14x = 147,637.35 × 39,250.98 - Step 4: Simplify right side
98,431.14x = 5,794,910,672.10 - Step 5: Solve for x
x = 5,794,910,672.10/98,431.14 - Step 6: Final answer
x = 58,872.74
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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.