Finding the Fourth Proportional to 210,263.08, 315,394.62 and 52,491.28
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Solution
The fourth proportional to 210,263.08, 315,394.62 and 52,491.28 is: 78,736.92
Step by Step Solution
- Step 1: Write the proportion equation
210,263.08 : 315,394.62 = 52,491.28 : x - Step 2: Convert to fraction form
210,263.08/315,394.62 = 52,491.28/x - Step 3: Cross multiply
210,263.08x = 315,394.62 × 52,491.28 - Step 4: Simplify right side
210,263.08x = 16,555,467,308.91 - Step 5: Solve for x
x = 16,555,467,308.91/210,263.08 - Step 6: Final answer
x = 78,736.92
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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.