Finding the Fourth Proportional to 338,144.28, 466,639.08 and 187,241.28
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Solution
The fourth proportional to 338,144.28, 466,639.08 and 187,241.28 is: 258,392.95
Step by Step Solution
- Step 1: Write the proportion equation
338,144.28 : 466,639.08 = 187,241.28 : x - Step 2: Convert to fraction form
338,144.28/466,639.08 = 187,241.28/x - Step 3: Cross multiply
338,144.28x = 466,639.08 × 187,241.28 - Step 4: Simplify right side
338,144.28x = 87,374,098,637.22 - Step 5: Solve for x
x = 87,374,098,637.22/338,144.28 - Step 6: Final answer
x = 258,392.95
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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.