Finding the Fourth Proportional to 224,203.66, 309,226.02 and 143,638.63
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Solution
The fourth proportional to 224,203.66, 309,226.02 and 143,638.63 is: 198,109.17
Step by Step Solution
- Step 1: Write the proportion equation
224,203.66 : 309,226.02 = 143,638.63 : x - Step 2: Convert to fraction form
224,203.66/309,226.02 = 143,638.63/x - Step 3: Cross multiply
224,203.66x = 309,226.02 × 143,638.63 - Step 4: Simplify right side
224,203.66x = 44,416,801,873.15 - Step 5: Solve for x
x = 44,416,801,873.15/224,203.66 - Step 6: Final answer
x = 198,109.17
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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.