Finding the Fourth Proportional to 189,340.32, 261,291.24 and 104,463.12
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Solution
The fourth proportional to 189,340.32, 261,291.24 and 104,463.12 is: 144,159.99
Step by Step Solution
- Step 1: Write the proportion equation
189,340.32 : 261,291.24 = 104,463.12 : x - Step 2: Convert to fraction form
189,340.32/261,291.24 = 104,463.12/x - Step 3: Cross multiply
189,340.32x = 261,291.24 × 104,463.12 - Step 4: Simplify right side
189,340.32x = 27,295,298,159.07 - Step 5: Solve for x
x = 27,295,298,159.07/189,340.32 - Step 6: Final answer
x = 144,159.99
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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.