Finding the Fourth Proportional to 165,767.70, 248,868.36 and 98,422.68
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Solution
The fourth proportional to 165,767.70, 248,868.36 and 98,422.68 is: 147,762.75
Step by Step Solution
- Step 1: Write the proportion equation
165,767.70 : 248,868.36 = 98,422.68 : x - Step 2: Convert to fraction form
165,767.70/248,868.36 = 98,422.68/x - Step 3: Cross multiply
165,767.70x = 248,868.36 × 98,422.68 - Step 4: Simplify right side
165,767.70x = 24,494,290,958.40 - Step 5: Solve for x
x = 24,494,290,958.40/165,767.70 - Step 6: Final answer
x = 147,762.75
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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.