Finding the Fourth Proportional to 134,378.88, 201,125.29 and 74,314.95
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Solution
The fourth proportional to 134,378.88, 201,125.29 and 74,314.95 is: 111,227.42
Step by Step Solution
- Step 1: Write the proportion equation
134,378.88 : 201,125.29 = 74,314.95 : x - Step 2: Convert to fraction form
134,378.88/201,125.29 = 74,314.95/x - Step 3: Cross multiply
134,378.88x = 201,125.29 × 74,314.95 - Step 4: Simplify right side
134,378.88x = 14,946,615,870.09 - Step 5: Solve for x
x = 14,946,615,870.09/134,378.88 - Step 6: Final answer
x = 111,227.42
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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.