Finding the Fourth Proportional to 249,021.08, 343,973.20 and 201,453.82
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Solution
The fourth proportional to 249,021.08, 343,973.20 and 201,453.82 is: 278,268.47
Step by Step Solution
- Step 1: Write the proportion equation
249,021.08 : 343,973.20 = 201,453.82 : x - Step 2: Convert to fraction form
249,021.08/343,973.20 = 201,453.82/x - Step 3: Cross multiply
249,021.08x = 343,973.20 × 201,453.82 - Step 4: Simplify right side
249,021.08x = 69,294,715,117.62 - Step 5: Solve for x
x = 69,294,715,117.62/249,021.08 - Step 6: Final answer
x = 278,268.47
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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.