Finding the Fourth Proportional to 249,245.37, 343,998.09 and 158,506.74
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Solution
The fourth proportional to 249,245.37, 343,998.09 and 158,506.74 is: 218,764.41
Step by Step Solution
- Step 1: Write the proportion equation
249,245.37 : 343,998.09 = 158,506.74 : x - Step 2: Convert to fraction form
249,245.37/343,998.09 = 158,506.74/x - Step 3: Cross multiply
249,245.37x = 343,998.09 × 158,506.74 - Step 4: Simplify right side
249,245.37x = 54,526,015,812.13 - Step 5: Solve for x
x = 54,526,015,812.13/249,245.37 - Step 6: Final answer
x = 218,764.41
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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.