Finding the Fourth Proportional to 209,129.58, 313,695.42 and 51,358.08
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Solution
The fourth proportional to 209,129.58, 313,695.42 and 51,358.08 is: 77,037.38
Step by Step Solution
- Step 1: Write the proportion equation
209,129.58 : 313,695.42 = 51,358.08 : x - Step 2: Convert to fraction form
209,129.58/313,695.42 = 51,358.08/x - Step 3: Cross multiply
209,129.58x = 313,695.42 × 51,358.08 - Step 4: Simplify right side
209,129.58x = 16,110,794,475.99 - Step 5: Solve for x
x = 16,110,794,475.99/209,129.58 - Step 6: Final answer
x = 77,037.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.