Finding the Fourth Proportional to 134,438.44, 185,526.30 and 74,010.28
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Solution
The fourth proportional to 134,438.44, 185,526.30 and 74,010.28 is: 102,134.88
Step by Step Solution
- Step 1: Write the proportion equation
134,438.44 : 185,526.30 = 74,010.28 : x - Step 2: Convert to fraction form
134,438.44/185,526.30 = 74,010.28/x - Step 3: Cross multiply
134,438.44x = 185,526.30 × 74,010.28 - Step 4: Simplify right side
134,438.44x = 13,730,853,410.36 - Step 5: Solve for x
x = 13,730,853,410.36/134,438.44 - Step 6: Final answer
x = 102,134.88
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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.