Finding the Fourth Proportional to 434,230.40, 651,438.48 and 134,704.48
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Solution
The fourth proportional to 434,230.40, 651,438.48 and 134,704.48 is: 202,085.53
Step by Step Solution
- Step 1: Write the proportion equation
434,230.40 : 651,438.48 = 134,704.48 : x - Step 2: Convert to fraction form
434,230.40/651,438.48 = 134,704.48/x - Step 3: Cross multiply
434,230.40x = 651,438.48 × 134,704.48 - Step 4: Simplify right side
434,230.40x = 87,751,681,700.39 - Step 5: Solve for x
x = 87,751,681,700.39/434,230.40 - Step 6: Final answer
x = 202,085.53
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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.