Finding the Fourth Proportional to 251,609.47, 347,223.82 and 136,888.76
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Solution
The fourth proportional to 251,609.47, 347,223.82 and 136,888.76 is: 188,907.99
Step by Step Solution
- Step 1: Write the proportion equation
251,609.47 : 347,223.82 = 136,888.76 : x - Step 2: Convert to fraction form
251,609.47/347,223.82 = 136,888.76/x - Step 3: Cross multiply
251,609.47x = 347,223.82 × 136,888.76 - Step 4: Simplify right side
251,609.47x = 47,531,038,162.26 - Step 5: Solve for x
x = 47,531,038,162.26/251,609.47 - Step 6: Final answer
x = 188,907.99
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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.