Finding the Fourth Proportional to 431,163.40, 595,023.87 and 240,176.87
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Solution
The fourth proportional to 431,163.40, 595,023.87 and 240,176.87 is: 331,454.32
Step by Step Solution
- Step 1: Write the proportion equation
431,163.40 : 595,023.87 = 240,176.87 : x - Step 2: Convert to fraction form
431,163.40/595,023.87 = 240,176.87/x - Step 3: Cross multiply
431,163.40x = 595,023.87 × 240,176.87 - Step 4: Simplify right side
431,163.40x = 142,910,970,671.89 - Step 5: Solve for x
x = 142,910,970,671.89/431,163.40 - Step 6: Final answer
x = 331,454.32
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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.