Finding the Fourth Proportional to 311,787.83, 430,267.04 and 168,548.14
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Solution
The fourth proportional to 311,787.83, 430,267.04 and 168,548.14 is: 232,596.34
Step by Step Solution
- Step 1: Write the proportion equation
311,787.83 : 430,267.04 = 168,548.14 : x - Step 2: Convert to fraction form
311,787.83/430,267.04 = 168,548.14/x - Step 3: Cross multiply
311,787.83x = 430,267.04 × 168,548.14 - Step 4: Simplify right side
311,787.83x = 72,520,709,622.45 - Step 5: Solve for x
x = 72,520,709,622.45/311,787.83 - Step 6: Final answer
x = 232,596.34
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1.5x scale
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.