Finding the Fourth Proportional to 339,615.75, 468,474.58 and 212,069.91
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Solution
The fourth proportional to 339,615.75, 468,474.58 and 212,069.91 is: 292,534.62
Step by Step Solution
- Step 1: Write the proportion equation
339,615.75 : 468,474.58 = 212,069.91 : x - Step 2: Convert to fraction form
339,615.75/468,474.58 = 212,069.91/x - Step 3: Cross multiply
339,615.75x = 468,474.58 × 212,069.91 - Step 4: Simplify right side
339,615.75x = 99,349,364,039.75 - Step 5: Solve for x
x = 99,349,364,039.75/339,615.75 - Step 6: Final answer
x = 292,534.62
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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.