Finding the Fourth Proportional to 165,764.70, 248,647.05 and 124,292.70
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Solution
The fourth proportional to 165,764.70, 248,647.05 and 124,292.70 is: 186,439.05
Step by Step Solution
- Step 1: Write the proportion equation
165,764.70 : 248,647.05 = 124,292.70 : x - Step 2: Convert to fraction form
165,764.70/248,647.05 = 124,292.70/x - Step 3: Cross multiply
165,764.70x = 248,647.05 × 124,292.70 - Step 4: Simplify right side
165,764.70x = 30,905,013,191.54 - Step 5: Solve for x
x = 30,905,013,191.54/165,764.70 - Step 6: Final answer
x = 186,439.05
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1.5x scale
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.