Finding the Fourth Proportional to 402,485.75, 555,309.09 and 241,281.98
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Solution
The fourth proportional to 402,485.75, 555,309.09 and 241,281.98 is: 332,896.45
Step by Step Solution
- Step 1: Write the proportion equation
402,485.75 : 555,309.09 = 241,281.98 : x - Step 2: Convert to fraction form
402,485.75/555,309.09 = 241,281.98/x - Step 3: Cross multiply
402,485.75x = 555,309.09 × 241,281.98 - Step 4: Simplify right side
402,485.75x = 133,986,076,747.20 - Step 5: Solve for x
x = 133,986,076,747.20/402,485.75 - Step 6: Final answer
x = 332,896.45
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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.