Finding the Fourth Proportional to 431,396.60, 595,301.15 and 237,795.84
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Solution
The fourth proportional to 431,396.60, 595,301.15 and 237,795.84 is: 328,143.84
Step by Step Solution
- Step 1: Write the proportion equation
431,396.60 : 595,301.15 = 237,795.84 : x - Step 2: Convert to fraction form
431,396.60/595,301.15 = 237,795.84/x - Step 3: Cross multiply
431,396.60x = 595,301.15 × 237,795.84 - Step 4: Simplify right side
431,396.60x = 141,560,135,828.24 - Step 5: Solve for x
x = 141,560,135,828.24/431,396.60 - Step 6: Final answer
x = 328,143.84
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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.