Finding the Fourth Proportional to 180,744.05, 249,426.79 and 100,183.68
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Solution
The fourth proportional to 180,744.05, 249,426.79 and 100,183.68 is: 138,253.48
Step by Step Solution
- Step 1: Write the proportion equation
180,744.05 : 249,426.79 = 100,183.68 : x - Step 2: Convert to fraction form
180,744.05/249,426.79 = 100,183.68/x - Step 3: Cross multiply
180,744.05x = 249,426.79 × 100,183.68 - Step 4: Simplify right side
180,744.05x = 24,988,493,462.33 - Step 5: Solve for x
x = 24,988,493,462.33/180,744.05 - Step 6: Final answer
x = 138,253.48
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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.