Finding the Fourth Proportional to 299,491.74, 412,730.37 and 214,461.18
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Solution
The fourth proportional to 299,491.74, 412,730.37 and 214,461.18 is: 295,549.53
Step by Step Solution
- Step 1: Write the proportion equation
299,491.74 : 412,730.37 = 214,461.18 : x - Step 2: Convert to fraction form
299,491.74/412,730.37 = 214,461.18/x - Step 3: Cross multiply
299,491.74x = 412,730.37 × 214,461.18 - Step 4: Simplify right side
299,491.74x = 88,514,642,172.04 - Step 5: Solve for x
x = 88,514,642,172.04/299,491.74 - Step 6: Final answer
x = 295,549.53
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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.