Finding the Fourth Proportional to 98,351.36, 147,395.28 and 92,052.80
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Solution
The fourth proportional to 98,351.36, 147,395.28 and 92,052.80 is: 137,955.88
Step by Step Solution
- Step 1: Write the proportion equation
98,351.36 : 147,395.28 = 92,052.80 : x - Step 2: Convert to fraction form
98,351.36/147,395.28 = 92,052.80/x - Step 3: Cross multiply
98,351.36x = 147,395.28 × 92,052.80 - Step 4: Simplify right side
98,351.36x = 13,568,148,230.78 - Step 5: Solve for x
x = 13,568,148,230.78/98,351.36 - Step 6: Final answer
x = 137,955.88
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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.