Finding the Fourth Proportional to 165,015.99, 227,703.15 and 92,408.76
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Solution
The fourth proportional to 165,015.99, 227,703.15 and 92,408.76 is: 127,513.50
Step by Step Solution
- Step 1: Write the proportion equation
165,015.99 : 227,703.15 = 92,408.76 : x - Step 2: Convert to fraction form
165,015.99/227,703.15 = 92,408.76/x - Step 3: Cross multiply
165,015.99x = 227,703.15 × 92,408.76 - Step 4: Simplify right side
165,015.99x = 21,041,765,739.59 - Step 5: Solve for x
x = 21,041,765,739.59/165,015.99 - Step 6: Final answer
x = 127,513.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.