Finding the Fourth Proportional to 409,530.96, 565,198.68 and 228,259.44
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Solution
The fourth proportional to 409,530.96, 565,198.68 and 228,259.44 is: 315,023.64
Step by Step Solution
- Step 1: Write the proportion equation
409,530.96 : 565,198.68 = 228,259.44 : x - Step 2: Convert to fraction form
409,530.96/565,198.68 = 228,259.44/x - Step 3: Cross multiply
409,530.96x = 565,198.68 × 228,259.44 - Step 4: Simplify right side
409,530.96x = 129,011,934,185.54 - Step 5: Solve for x
x = 129,011,934,185.54/409,530.96 - Step 6: Final answer
x = 315,023.64
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1.5x scale
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.