Finding the Fourth Proportional to 409,829.23, 565,566.81 and 228,552.62
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Solution
The fourth proportional to 409,829.23, 565,566.81 and 228,552.62 is: 315,403.99
Step by Step Solution
- Step 1: Write the proportion equation
409,829.23 : 565,566.81 = 228,552.62 : x - Step 2: Convert to fraction form
409,829.23/565,566.81 = 228,552.62/x - Step 3: Cross multiply
409,829.23x = 565,566.81 × 228,552.62 - Step 4: Simplify right side
409,829.23x = 129,261,775,067.78 - Step 5: Solve for x
x = 129,261,775,067.78/409,829.23 - Step 6: Final answer
x = 315,403.99
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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.