Finding the Fourth Proportional to 366,451.70, 505,724.12 and 205,358.65
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Solution
The fourth proportional to 366,451.70, 505,724.12 and 205,358.65 is: 283,406.57
Step by Step Solution
- Step 1: Write the proportion equation
366,451.70 : 505,724.12 = 205,358.65 : x - Step 2: Convert to fraction form
366,451.70/505,724.12 = 205,358.65/x - Step 3: Cross multiply
366,451.70x = 505,724.12 × 205,358.65 - Step 4: Simplify right side
366,451.70x = 103,854,819,000.22 - Step 5: Solve for x
x = 103,854,819,000.22/366,451.70 - Step 6: Final answer
x = 283,406.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.