Finding the Fourth Proportional to 189,028.08, 260,619.12 and 124,487.28
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Solution
The fourth proportional to 189,028.08, 260,619.12 and 124,487.28 is: 171,634.63
Step by Step Solution
- Step 1: Write the proportion equation
189,028.08 : 260,619.12 = 124,487.28 : x - Step 2: Convert to fraction form
189,028.08/260,619.12 = 124,487.28/x - Step 3: Cross multiply
189,028.08x = 260,619.12 × 124,487.28 - Step 4: Simplify right side
189,028.08x = 32,443,765,364.79 - Step 5: Solve for x
x = 32,443,765,364.79/189,028.08 - Step 6: Final answer
x = 171,634.63
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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.