Finding the Fourth Proportional to 354,258.68, 531,491.55 and 114,366.96
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Solution
The fourth proportional to 354,258.68, 531,491.55 and 114,366.96 is: 171,583.86
Step by Step Solution
- Step 1: Write the proportion equation
354,258.68 : 531,491.55 = 114,366.96 : x - Step 2: Convert to fraction form
354,258.68/531,491.55 = 114,366.96/x - Step 3: Cross multiply
354,258.68x = 531,491.55 × 114,366.96 - Step 4: Simplify right side
354,258.68x = 60,785,072,839.19 - Step 5: Solve for x
x = 60,785,072,839.19/354,258.68 - Step 6: Final answer
x = 171,583.86
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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.