Finding the Fourth Proportional to 339,314.08, 468,148.42 and 196,021.84
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Solution
The fourth proportional to 339,314.08, 468,148.42 and 196,021.84 is: 270,449.47
Step by Step Solution
- Step 1: Write the proportion equation
339,314.08 : 468,148.42 = 196,021.84 : x - Step 2: Convert to fraction form
339,314.08/468,148.42 = 196,021.84/x - Step 3: Cross multiply
339,314.08x = 468,148.42 × 196,021.84 - Step 4: Simplify right side
339,314.08x = 91,767,314,681.49 - Step 5: Solve for x
x = 91,767,314,681.49/339,314.08 - Step 6: Final answer
x = 270,449.47
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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.