Finding the Fourth Proportional to 165,933.80, 248,900.70 and 55,125.80
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Solution
The fourth proportional to 165,933.80, 248,900.70 and 55,125.80 is: 82,688.70
Step by Step Solution
- Step 1: Write the proportion equation
165,933.80 : 248,900.70 = 55,125.80 : x - Step 2: Convert to fraction form
165,933.80/248,900.70 = 55,125.80/x - Step 3: Cross multiply
165,933.80x = 248,900.70 × 55,125.80 - Step 4: Simplify right side
165,933.80x = 13,720,850,208.06 - Step 5: Solve for x
x = 13,720,850,208.06/165,933.80 - Step 6: Final answer
x = 82,688.70
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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.