Finding the Fourth Proportional to 180,879.99, 249,615.06 and 100,314.96
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Solution
The fourth proportional to 180,879.99, 249,615.06 and 100,314.96 is: 138,435.02
Step by Step Solution
- Step 1: Write the proportion equation
180,879.99 : 249,615.06 = 100,314.96 : x - Step 2: Convert to fraction form
180,879.99/249,615.06 = 100,314.96/x - Step 3: Cross multiply
180,879.99x = 249,615.06 × 100,314.96 - Step 4: Simplify right side
180,879.99x = 25,040,124,759.30 - Step 5: Solve for x
x = 25,040,124,759.30/180,879.99 - Step 6: Final answer
x = 138,435.02
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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.