Finding the Fourth Proportional to 180,764.21, 249,450.27 and 100,190.00
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Solution
The fourth proportional to 180,764.21, 249,450.27 and 100,190.00 is: 138,259.79
Step by Step Solution
- Step 1: Write the proportion equation
180,764.21 : 249,450.27 = 100,190.00 : x - Step 2: Convert to fraction form
180,764.21/249,450.27 = 100,190.00/x - Step 3: Cross multiply
180,764.21x = 249,450.27 × 100,190.00 - Step 4: Simplify right side
180,764.21x = 24,992,421,304.05 - Step 5: Solve for x
x = 24,992,421,304.05/180,764.21 - Step 6: Final answer
x = 138,259.79
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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.