Finding the Fourth Proportional to 110,605.68, 165,909.15 and 27,499.68
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Solution
The fourth proportional to 110,605.68, 165,909.15 and 27,499.68 is: 41,249.68
Step by Step Solution
- Step 1: Write the proportion equation
110,605.68 : 165,909.15 = 27,499.68 : x - Step 2: Convert to fraction form
110,605.68/165,909.15 = 27,499.68/x - Step 3: Cross multiply
110,605.68x = 165,909.15 × 27,499.68 - Step 4: Simplify right side
110,605.68x = 4,562,448,534.07 - Step 5: Solve for x
x = 4,562,448,534.07/110,605.68 - Step 6: Final answer
x = 41,249.68
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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.