Finding the Fourth Proportional to 180,860.25, 249,586.14 and 100,299.68
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Solution
The fourth proportional to 180,860.25, 249,586.14 and 100,299.68 is: 138,413.00
Step by Step Solution
- Step 1: Write the proportion equation
180,860.25 : 249,586.14 = 100,299.68 : x - Step 2: Convert to fraction form
180,860.25/249,586.14 = 100,299.68/x - Step 3: Cross multiply
180,860.25x = 249,586.14 × 100,299.68 - Step 4: Simplify right side
180,860.25x = 25,033,409,974.44 - Step 5: Solve for x
x = 25,033,409,974.44/180,860.25 - Step 6: Final answer
x = 138,413.00
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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.