Finding the Fourth Proportional to 180,864.24, 249,618.48 and 100,309.68
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Solution
The fourth proportional to 180,864.24, 249,618.48 and 100,309.68 is: 138,441.68
Step by Step Solution
- Step 1: Write the proportion equation
180,864.24 : 249,618.48 = 100,309.68 : x - Step 2: Convert to fraction form
180,864.24/249,618.48 = 100,309.68/x - Step 3: Cross multiply
180,864.24x = 249,618.48 × 100,309.68 - Step 4: Simplify right side
180,864.24x = 25,039,149,850.89 - Step 5: Solve for x
x = 25,039,149,850.89/180,864.24 - Step 6: Final answer
x = 138,441.68
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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.