Finding the Fourth Proportional to 103,658.08, 155,461.20 and 29,786.08
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Solution
The fourth proportional to 103,658.08, 155,461.20 and 29,786.08 is: 44,671.67
Step by Step Solution
- Step 1: Write the proportion equation
103,658.08 : 155,461.20 = 29,786.08 : x - Step 2: Convert to fraction form
103,658.08/155,461.20 = 29,786.08/x - Step 3: Cross multiply
103,658.08x = 155,461.20 × 29,786.08 - Step 4: Simplify right side
103,658.08x = 4,630,579,740.10 - Step 5: Solve for x
x = 4,630,579,740.10/103,658.08 - Step 6: Final answer
x = 44,671.67
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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.