Finding the Fourth Proportional to 517,665.99, 776,685.84 and 180,756.30
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Solution
The fourth proportional to 517,665.99, 776,685.84 and 180,756.30 is: 271,199.70
Step by Step Solution
- Step 1: Write the proportion equation
517,665.99 : 776,685.84 = 180,756.30 : x - Step 2: Convert to fraction form
517,665.99/776,685.84 = 180,756.30/x - Step 3: Cross multiply
517,665.99x = 776,685.84 × 180,756.30 - Step 4: Simplify right side
517,665.99x = 140,390,858,700.79 - Step 5: Solve for x
x = 140,390,858,700.79/517,665.99 - Step 6: Final answer
x = 271,199.70
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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.