Finding the Fourth Proportional to 208,370.99, 312,574.89 and 58,612.52
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Solution
The fourth proportional to 208,370.99, 312,574.89 and 58,612.52 is: 87,923.95
Step by Step Solution
- Step 1: Write the proportion equation
208,370.99 : 312,574.89 = 58,612.52 : x - Step 2: Convert to fraction form
208,370.99/312,574.89 = 58,612.52/x - Step 3: Cross multiply
208,370.99x = 312,574.89 × 58,612.52 - Step 4: Simplify right side
208,370.99x = 18,320,800,428.75 - Step 5: Solve for x
x = 18,320,800,428.75/208,370.99 - Step 6: Final answer
x = 87,923.95
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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.