Finding the Fourth Proportional to 163,313.94, 244,741.16 and 129,885.65
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Solution
The fourth proportional to 163,313.94, 244,741.16 and 129,885.65 is: 194,645.74
Step by Step Solution
- Step 1: Write the proportion equation
163,313.94 : 244,741.16 = 129,885.65 : x - Step 2: Convert to fraction form
163,313.94/244,741.16 = 129,885.65/x - Step 3: Cross multiply
163,313.94x = 244,741.16 × 129,885.65 - Step 4: Simplify right side
163,313.94x = 31,788,362,775.22 - Step 5: Solve for x
x = 31,788,362,775.22/163,313.94 - Step 6: Final answer
x = 194,645.74
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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.