Finding the Fourth Proportional to 524,860.20, 787,367.10 and 169,813.80
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Solution
The fourth proportional to 524,860.20, 787,367.10 and 169,813.80 is: 254,745.55
Step by Step Solution
- Step 1: Write the proportion equation
524,860.20 : 787,367.10 = 169,813.80 : x - Step 2: Convert to fraction form
524,860.20/787,367.10 = 169,813.80/x - Step 3: Cross multiply
524,860.20x = 787,367.10 × 169,813.80 - Step 4: Simplify right side
524,860.20x = 133,705,799,245.98 - Step 5: Solve for x
x = 133,705,799,245.98/524,860.20 - Step 6: Final answer
x = 254,745.55
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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.