Finding the Fourth Proportional to 513,178.49, 769,799.39 and 197,635.70
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Solution
The fourth proportional to 513,178.49, 769,799.39 and 197,635.70 is: 296,465.73
Step by Step Solution
- Step 1: Write the proportion equation
513,178.49 : 769,799.39 = 197,635.70 : x - Step 2: Convert to fraction form
513,178.49/769,799.39 = 197,635.70/x - Step 3: Cross multiply
513,178.49x = 769,799.39 × 197,635.70 - Step 4: Simplify right side
513,178.49x = 152,139,836,465.05 - Step 5: Solve for x
x = 152,139,836,465.05/513,178.49 - Step 6: Final answer
x = 296,465.73
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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.