Finding the Fourth Proportional to 343,801.09, 512,762.72 and 301,956.49
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Solution
The fourth proportional to 343,801.09, 512,762.72 and 301,956.49 is: 450,353.52
Step by Step Solution
- Step 1: Write the proportion equation
343,801.09 : 512,762.72 = 301,956.49 : x - Step 2: Convert to fraction form
343,801.09/512,762.72 = 301,956.49/x - Step 3: Cross multiply
343,801.09x = 512,762.72 × 301,956.49 - Step 4: Simplify right side
343,801.09x = 154,832,031,134.05 - Step 5: Solve for x
x = 154,832,031,134.05/343,801.09 - Step 6: Final answer
x = 450,353.52
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.