Finding the Fourth Proportional to 224,620.85, 309,974.41 and 122,645.99
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Solution
The fourth proportional to 224,620.85, 309,974.41 and 122,645.99 is: 169,250.18
Step by Step Solution
- Step 1: Write the proportion equation
224,620.85 : 309,974.41 = 122,645.99 : x - Step 2: Convert to fraction form
224,620.85/309,974.41 = 122,645.99/x - Step 3: Cross multiply
224,620.85x = 309,974.41 × 122,645.99 - Step 4: Simplify right side
224,620.85x = 38,017,118,389.12 - Step 5: Solve for x
x = 38,017,118,389.12/224,620.85 - Step 6: Final answer
x = 169,250.18
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.