Finding the Fourth Proportional to 411,687.29, 568,153.49 and 230,395.46
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Solution
The fourth proportional to 411,687.29, 568,153.49 and 230,395.46 is: 317,959.73
Step by Step Solution
- Step 1: Write the proportion equation
411,687.29 : 568,153.49 = 230,395.46 : x - Step 2: Convert to fraction form
411,687.29/568,153.49 = 230,395.46/x - Step 3: Cross multiply
411,687.29x = 568,153.49 × 230,395.46 - Step 4: Simplify right side
411,687.29x = 130,899,980,686.41 - Step 5: Solve for x
x = 130,899,980,686.41/411,687.29 - Step 6: Final answer
x = 317,959.73
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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.