Finding the Fourth Proportional to 180,744.14, 249,428.76 and 100,173.44
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Solution
The fourth proportional to 180,744.14, 249,428.76 and 100,173.44 is: 138,240.37
Step by Step Solution
- Step 1: Write the proportion equation
180,744.14 : 249,428.76 = 100,173.44 : x - Step 2: Convert to fraction form
180,744.14/249,428.76 = 100,173.44/x - Step 3: Cross multiply
180,744.14x = 249,428.76 × 100,173.44 - Step 4: Simplify right side
180,744.14x = 24,986,136,924.13 - Step 5: Solve for x
x = 24,986,136,924.13/180,744.14 - Step 6: Final answer
x = 138,240.37
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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.