Finding the Fourth Proportional to 291,237.63, 436,886.25 and 111,474.09
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Solution
The fourth proportional to 291,237.63, 436,886.25 and 111,474.09 is: 167,222.54
Step by Step Solution
- Step 1: Write the proportion equation
291,237.63 : 436,886.25 = 111,474.09 : x - Step 2: Convert to fraction form
291,237.63/436,886.25 = 111,474.09/x - Step 3: Cross multiply
291,237.63x = 436,886.25 × 111,474.09 - Step 4: Simplify right side
291,237.63x = 48,701,497,152.26 - Step 5: Solve for x
x = 48,701,497,152.26/291,237.63 - Step 6: Final answer
x = 167,222.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.