Finding the Fourth Proportional to 263,319.28, 392,954.08 and 235,325.68
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Solution
The fourth proportional to 263,319.28, 392,954.08 and 235,325.68 is: 351,178.94
Step by Step Solution
- Step 1: Write the proportion equation
263,319.28 : 392,954.08 = 235,325.68 : x - Step 2: Convert to fraction form
263,319.28/392,954.08 = 235,325.68/x - Step 3: Cross multiply
263,319.28x = 392,954.08 × 235,325.68 - Step 4: Simplify right side
263,319.28x = 92,472,186,084.77 - Step 5: Solve for x
x = 92,472,186,084.77/263,319.28 - Step 6: Final answer
x = 351,178.94
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.