Finding the Fourth Proportional to 298,937.77, 447,427.36 and 163,795.75
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Solution
The fourth proportional to 298,937.77, 447,427.36 and 163,795.75 is: 245,157.04
Step by Step Solution
- Step 1: Write the proportion equation
298,937.77 : 447,427.36 = 163,795.75 : x - Step 2: Convert to fraction form
298,937.77/447,427.36 = 163,795.75/x - Step 3: Cross multiply
298,937.77x = 447,427.36 × 163,795.75 - Step 4: Simplify right side
298,937.77x = 73,286,699,592.23 - Step 5: Solve for x
x = 73,286,699,592.23/298,937.77 - Step 6: Final answer
x = 245,157.04
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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.