Finding the Fourth Proportional to 409,636.81, 565,067.26 and 256,409.02
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Solution
The fourth proportional to 409,636.81, 565,067.26 and 256,409.02 is: 353,699.52
Step by Step Solution
- Step 1: Write the proportion equation
409,636.81 : 565,067.26 = 256,409.02 : x - Step 2: Convert to fraction form
409,636.81/565,067.26 = 256,409.02/x - Step 3: Cross multiply
409,636.81x = 565,067.26 × 256,409.02 - Step 4: Simplify right side
409,636.81x = 144,888,342,370.69 - Step 5: Solve for x
x = 144,888,342,370.69/409,636.81 - Step 6: Final answer
x = 353,699.52
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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.