Finding the Fourth Proportional to 356,567.94, 492,059.61 and 193,221.18
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Solution
The fourth proportional to 356,567.94, 492,059.61 and 193,221.18 is: 266,642.98
Step by Step Solution
- Step 1: Write the proportion equation
356,567.94 : 492,059.61 = 193,221.18 : x - Step 2: Convert to fraction form
356,567.94/492,059.61 = 193,221.18/x - Step 3: Cross multiply
356,567.94x = 492,059.61 × 193,221.18 - Step 4: Simplify right side
356,567.94x = 95,076,338,474.54 - Step 5: Solve for x
x = 95,076,338,474.54/356,567.94 - Step 6: Final answer
x = 266,642.98
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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.