Finding the Fourth Proportional to 405,022.96, 558,920.85 and 223,730.99
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Solution
The fourth proportional to 405,022.96, 558,920.85 and 223,730.99 is: 308,742.78
Step by Step Solution
- Step 1: Write the proportion equation
405,022.96 : 558,920.85 = 223,730.99 : x - Step 2: Convert to fraction form
405,022.96/558,920.85 = 223,730.99/x - Step 3: Cross multiply
405,022.96x = 558,920.85 × 223,730.99 - Step 4: Simplify right side
405,022.96x = 125,047,915,102.14 - Step 5: Solve for x
x = 125,047,915,102.14/405,022.96 - Step 6: Final answer
x = 308,742.78
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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.