Finding the Fourth Proportional to 330,124.05, 495,257.15 and 102,415.05
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Solution
The fourth proportional to 330,124.05, 495,257.15 and 102,415.05 is: 153,644.62
Step by Step Solution
- Step 1: Write the proportion equation
330,124.05 : 495,257.15 = 102,415.05 : x - Step 2: Convert to fraction form
330,124.05/495,257.15 = 102,415.05/x - Step 3: Cross multiply
330,124.05x = 495,257.15 × 102,415.05 - Step 4: Simplify right side
330,124.05x = 50,721,785,780.11 - Step 5: Solve for x
x = 50,721,785,780.11/330,124.05 - Step 6: Final answer
x = 153,644.62
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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.