Finding the Fourth Proportional to 354,258.81, 531,333.45 and 129,566.70
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Solution
The fourth proportional to 354,258.81, 531,333.45 and 129,566.70 is: 194,330.02
Step by Step Solution
- Step 1: Write the proportion equation
354,258.81 : 531,333.45 = 129,566.70 : x - Step 2: Convert to fraction form
354,258.81/531,333.45 = 129,566.70/x - Step 3: Cross multiply
354,258.81x = 531,333.45 × 129,566.70 - Step 4: Simplify right side
354,258.81x = 68,843,121,716.12 - Step 5: Solve for x
x = 68,843,121,716.12/354,258.81 - Step 6: Final answer
x = 194,330.02
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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.