Finding the Fourth Proportional to 103,763.30, 155,587.35 and 41,363.30
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Solution
The fourth proportional to 103,763.30, 155,587.35 and 41,363.30 is: 62,021.99
Step by Step Solution
- Step 1: Write the proportion equation
103,763.30 : 155,587.35 = 41,363.30 : x - Step 2: Convert to fraction form
103,763.30/155,587.35 = 41,363.30/x - Step 3: Cross multiply
103,763.30x = 155,587.35 × 41,363.30 - Step 4: Simplify right side
103,763.30x = 6,435,606,234.26 - Step 5: Solve for x
x = 6,435,606,234.26/103,763.30 - Step 6: Final answer
x = 62,021.99
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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.