Finding the Fourth Proportional to 409,661.62, 565,366.71 and 225,936.13
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Solution
The fourth proportional to 409,661.62, 565,366.71 and 225,936.13 is: 311,810.43
Step by Step Solution
- Step 1: Write the proportion equation
409,661.62 : 565,366.71 = 225,936.13 : x - Step 2: Convert to fraction form
409,661.62/565,366.71 = 225,936.13/x - Step 3: Cross multiply
409,661.62x = 565,366.71 × 225,936.13 - Step 4: Simplify right side
409,661.62x = 127,736,766,488.23 - Step 5: Solve for x
x = 127,736,766,488.23/409,661.62 - Step 6: Final answer
x = 311,810.43
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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.