Finding the Fourth Proportional to 234,330.40, 351,646.80 and 129,224.80
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Solution
The fourth proportional to 234,330.40, 351,646.80 and 129,224.80 is: 193,920.58
Step by Step Solution
- Step 1: Write the proportion equation
234,330.40 : 351,646.80 = 129,224.80 : x - Step 2: Convert to fraction form
234,330.40/351,646.80 = 129,224.80/x - Step 3: Cross multiply
234,330.40x = 351,646.80 × 129,224.80 - Step 4: Simplify right side
234,330.40x = 45,441,487,400.64 - Step 5: Solve for x
x = 45,441,487,400.64/234,330.40 - Step 6: Final answer
x = 193,920.58
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1.5x scale
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.