Finding the Fourth Proportional to 189,319.84, 261,259.92 and 104,440.48
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Solution
The fourth proportional to 189,319.84, 261,259.92 and 104,440.48 is: 144,127.06
Step by Step Solution
- Step 1: Write the proportion equation
189,319.84 : 261,259.92 = 104,440.48 : x - Step 2: Convert to fraction form
189,319.84/261,259.92 = 104,440.48/x - Step 3: Cross multiply
189,319.84x = 261,259.92 × 104,440.48 - Step 4: Simplify right side
189,319.84x = 27,286,111,449.56 - Step 5: Solve for x
x = 27,286,111,449.56/189,319.84 - Step 6: Final answer
x = 144,127.06
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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.