Finding the Fourth Proportional to 130,950.24, 180,713.88 and 74,361.84
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Solution
The fourth proportional to 130,950.24, 180,713.88 and 74,361.84 is: 102,620.79
Step by Step Solution
- Step 1: Write the proportion equation
130,950.24 : 180,713.88 = 74,361.84 : x - Step 2: Convert to fraction form
130,950.24/180,713.88 = 74,361.84/x - Step 3: Cross multiply
130,950.24x = 180,713.88 × 74,361.84 - Step 4: Simplify right side
130,950.24x = 13,438,216,630.34 - Step 5: Solve for x
x = 13,438,216,630.34/130,950.24 - Step 6: Final answer
x = 102,620.79
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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.