Finding the Fourth Proportional to 431,408.10, 595,349.01 and 240,414.96
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Solution
The fourth proportional to 431,408.10, 595,349.01 and 240,414.96 is: 331,775.89
Step by Step Solution
- Step 1: Write the proportion equation
431,408.10 : 595,349.01 = 240,414.96 : x - Step 2: Convert to fraction form
431,408.10/595,349.01 = 240,414.96/x - Step 3: Cross multiply
431,408.10x = 595,349.01 × 240,414.96 - Step 4: Simplify right side
431,408.10x = 143,130,808,425.19 - Step 5: Solve for x
x = 143,130,808,425.19/431,408.10 - Step 6: Final answer
x = 331,775.89
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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.