Finding the Fourth Proportional to 385,366.68, 577,568.56 and 185,649.84
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Solution
The fourth proportional to 385,366.68, 577,568.56 and 185,649.84 is: 278,242.82
Step by Step Solution
- Step 1: Write the proportion equation
385,366.68 : 577,568.56 = 185,649.84 : x - Step 2: Convert to fraction form
385,366.68/577,568.56 = 185,649.84/x - Step 3: Cross multiply
385,366.68x = 577,568.56 × 185,649.84 - Step 4: Simplify right side
385,366.68x = 107,225,510,753.03 - Step 5: Solve for x
x = 107,225,510,753.03/385,366.68 - Step 6: Final answer
x = 278,242.82
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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.