Finding the Fourth Proportional to 339,671.36, 468,741.21 and 186,706.26
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Solution
The fourth proportional to 339,671.36, 468,741.21 and 186,706.26 is: 257,651.75
Step by Step Solution
- Step 1: Write the proportion equation
339,671.36 : 468,741.21 = 186,706.26 : x - Step 2: Convert to fraction form
339,671.36/468,741.21 = 186,706.26/x - Step 3: Cross multiply
339,671.36x = 468,741.21 × 186,706.26 - Step 4: Simplify right side
339,671.36x = 87,516,919,409.04 - Step 5: Solve for x
x = 87,516,919,409.04/339,671.36 - Step 6: Final answer
x = 257,651.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.