Finding the Fourth Proportional to 294,237.75, 441,356.63 and 72,621.75
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Solution
The fourth proportional to 294,237.75, 441,356.63 and 72,621.75 is: 108,932.63
Step by Step Solution
- Step 1: Write the proportion equation
294,237.75 : 441,356.63 = 72,621.75 : x - Step 2: Convert to fraction form
294,237.75/441,356.63 = 72,621.75/x - Step 3: Cross multiply
294,237.75x = 441,356.63 × 72,621.75 - Step 4: Simplify right side
294,237.75x = 32,052,090,844.70 - Step 5: Solve for x
x = 32,052,090,844.70/294,237.75 - Step 6: Final answer
x = 108,932.63
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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.