Finding the Fourth Proportional to 293,920.31, 440,880.71 and 235,129.70
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Solution
The fourth proportional to 293,920.31, 440,880.71 and 235,129.70 is: 352,694.74
Step by Step Solution
- Step 1: Write the proportion equation
293,920.31 : 440,880.71 = 235,129.70 : x - Step 2: Convert to fraction form
293,920.31/440,880.71 = 235,129.70/x - Step 3: Cross multiply
293,920.31x = 440,880.71 × 235,129.70 - Step 4: Simplify right side
293,920.31x = 103,664,149,004.64 - Step 5: Solve for x
x = 103,664,149,004.64/293,920.31 - Step 6: Final answer
x = 352,694.74
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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.