Finding the Fourth Proportional to 180,214.11, 269,927.42 and 91,314.99
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Solution
The fourth proportional to 180,214.11, 269,927.42 and 91,314.99 is: 136,772.97
Step by Step Solution
- Step 1: Write the proportion equation
180,214.11 : 269,927.42 = 91,314.99 : x - Step 2: Convert to fraction form
180,214.11/269,927.42 = 91,314.99/x - Step 3: Cross multiply
180,214.11x = 269,927.42 × 91,314.99 - Step 4: Simplify right side
180,214.11x = 24,648,419,201.45 - Step 5: Solve for x
x = 24,648,419,201.45/180,214.11 - Step 6: Final answer
x = 136,772.97
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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.