Finding the Fourth Proportional to 249,912.87, 344,739.56 and 153,163.58
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Solution
The fourth proportional to 249,912.87, 344,739.56 and 153,163.58 is: 211,279.82
Step by Step Solution
- Step 1: Write the proportion equation
249,912.87 : 344,739.56 = 153,163.58 : x - Step 2: Convert to fraction form
249,912.87/344,739.56 = 153,163.58/x - Step 3: Cross multiply
249,912.87x = 344,739.56 × 153,163.58 - Step 4: Simplify right side
249,912.87x = 52,801,546,421.98 - Step 5: Solve for x
x = 52,801,546,421.98/249,912.87 - Step 6: Final answer
x = 211,279.82
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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.