Finding the Fourth Proportional to 300,867.21, 415,385.82 and 193,624.02
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Solution
The fourth proportional to 300,867.21, 415,385.82 and 193,624.02 is: 267,322.82
Step by Step Solution
- Step 1: Write the proportion equation
300,867.21 : 415,385.82 = 193,624.02 : x - Step 2: Convert to fraction form
300,867.21/415,385.82 = 193,624.02/x - Step 3: Cross multiply
300,867.21x = 415,385.82 × 193,624.02 - Step 4: Simplify right side
300,867.21x = 80,428,672,319.40 - Step 5: Solve for x
x = 80,428,672,319.40/300,867.21 - Step 6: Final answer
x = 267,322.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.