Finding the Fourth Proportional to 103,698.08, 155,521.20 and 29,826.08
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Solution
The fourth proportional to 103,698.08, 155,521.20 and 29,826.08 is: 44,731.66
Step by Step Solution
- Step 1: Write the proportion equation
103,698.08 : 155,521.20 = 29,826.08 : x - Step 2: Convert to fraction form
103,698.08/155,521.20 = 29,826.08/x - Step 3: Cross multiply
103,698.08x = 155,521.20 × 29,826.08 - Step 4: Simplify right side
103,698.08x = 4,638,587,752.90 - Step 5: Solve for x
x = 4,638,587,752.90/103,698.08 - Step 6: Final answer
x = 44,731.66
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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.