Finding the Fourth Proportional to 402,379.14, 555,331.49 and 241,322.79
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Solution
The fourth proportional to 402,379.14, 555,331.49 and 241,322.79 is: 333,054.41
Step by Step Solution
- Step 1: Write the proportion equation
402,379.14 : 555,331.49 = 241,322.79 : x - Step 2: Convert to fraction form
402,379.14/555,331.49 = 241,322.79/x - Step 3: Cross multiply
402,379.14x = 555,331.49 × 241,322.79 - Step 4: Simplify right side
402,379.14x = 134,014,147,679.94 - Step 5: Solve for x
x = 134,014,147,679.94/402,379.14 - Step 6: Final answer
x = 333,054.41
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1.5x scale
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.