Finding the Fourth Proportional to 292,209.49, 438,453.06 and 202,390.44
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Solution
The fourth proportional to 292,209.49, 438,453.06 and 202,390.44 is: 303,681.81
Step by Step Solution
- Step 1: Write the proportion equation
292,209.49 : 438,453.06 = 202,390.44 : x - Step 2: Convert to fraction form
292,209.49/438,453.06 = 202,390.44/x - Step 3: Cross multiply
292,209.49x = 438,453.06 × 202,390.44 - Step 4: Simplify right side
292,209.49x = 88,738,707,732.75 - Step 5: Solve for x
x = 88,738,707,732.75/292,209.49 - Step 6: Final answer
x = 303,681.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.