Finding the Fourth Proportional to 197,401.02, 272,412.62 and 106,757.08
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Solution
The fourth proportional to 197,401.02, 272,412.62 and 106,757.08 is: 147,324.34
Step by Step Solution
- Step 1: Write the proportion equation
197,401.02 : 272,412.62 = 106,757.08 : x - Step 2: Convert to fraction form
197,401.02/272,412.62 = 106,757.08/x - Step 3: Cross multiply
197,401.02x = 272,412.62 × 106,757.08 - Step 4: Simplify right side
197,401.02x = 29,081,974,918.43 - Step 5: Solve for x
x = 29,081,974,918.43/197,401.02 - Step 6: Final answer
x = 147,324.34
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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.