Finding the Fourth Proportional to 201,432.76, 302,149.14 and 94,750.40
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Solution
The fourth proportional to 201,432.76, 302,149.14 and 94,750.40 is: 142,125.60
Step by Step Solution
- Step 1: Write the proportion equation
201,432.76 : 302,149.14 = 94,750.40 : x - Step 2: Convert to fraction form
201,432.76/302,149.14 = 94,750.40/x - Step 3: Cross multiply
201,432.76x = 302,149.14 × 94,750.40 - Step 4: Simplify right side
201,432.76x = 28,628,751,874.66 - Step 5: Solve for x
x = 28,628,751,874.66/201,432.76 - Step 6: Final answer
x = 142,125.60
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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.