Finding the Fourth Proportional to 343,302.21, 514,953.36 and 106,644.87
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Solution
The fourth proportional to 343,302.21, 514,953.36 and 106,644.87 is: 159,967.32
Step by Step Solution
- Step 1: Write the proportion equation
343,302.21 : 514,953.36 = 106,644.87 : x - Step 2: Convert to fraction form
343,302.21/514,953.36 = 106,644.87/x - Step 3: Cross multiply
343,302.21x = 514,953.36 × 106,644.87 - Step 4: Simplify right side
343,302.21x = 54,917,134,133.26 - Step 5: Solve for x
x = 54,917,134,133.26/343,302.21 - Step 6: Final answer
x = 159,967.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.