Finding the Fourth Proportional to 189,352.92, 261,306.36 and 104,469.51
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Solution
The fourth proportional to 189,352.92, 261,306.36 and 104,469.51 is: 144,167.55
Step by Step Solution
- Step 1: Write the proportion equation
189,352.92 : 261,306.36 = 104,469.51 : x - Step 2: Convert to fraction form
189,352.92/261,306.36 = 104,469.51/x - Step 3: Cross multiply
189,352.92x = 261,306.36 × 104,469.51 - Step 4: Simplify right side
189,352.92x = 27,298,547,389.08 - Step 5: Solve for x
x = 27,298,547,389.08/189,352.92 - Step 6: Final answer
x = 144,167.55
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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.