Finding the Fourth Proportional to 398,292.56, 597,438.84 and 117,787.96
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Solution
The fourth proportional to 398,292.56, 597,438.84 and 117,787.96 is: 176,681.94
Step by Step Solution
- Step 1: Write the proportion equation
398,292.56 : 597,438.84 = 117,787.96 : x - Step 2: Convert to fraction form
398,292.56/597,438.84 = 117,787.96/x - Step 3: Cross multiply
398,292.56x = 597,438.84 × 117,787.96 - Step 4: Simplify right side
398,292.56x = 70,371,102,188.37 - Step 5: Solve for x
x = 70,371,102,188.37/398,292.56 - Step 6: Final answer
x = 176,681.94
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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.