Finding the Fourth Proportional to 330,148.21, 495,293.32 and 102,439.26
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Solution
The fourth proportional to 330,148.21, 495,293.32 and 102,439.26 is: 153,680.92
Step by Step Solution
- Step 1: Write the proportion equation
330,148.21 : 495,293.32 = 102,439.26 : x - Step 2: Convert to fraction form
330,148.21/495,293.32 = 102,439.26/x - Step 3: Cross multiply
330,148.21x = 495,293.32 × 102,439.26 - Step 4: Simplify right side
330,148.21x = 50,737,479,918.78 - Step 5: Solve for x
x = 50,737,479,918.78/330,148.21 - Step 6: Final answer
x = 153,680.92
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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.