Finding the Fourth Proportional to 385,649.40, 532,180.62 and 224,509.08
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Solution
The fourth proportional to 385,649.40, 532,180.62 and 224,509.08 is: 309,813.48
Step by Step Solution
- Step 1: Write the proportion equation
385,649.40 : 532,180.62 = 224,509.08 : x - Step 2: Convert to fraction form
385,649.40/532,180.62 = 224,509.08/x - Step 3: Cross multiply
385,649.40x = 532,180.62 × 224,509.08 - Step 4: Simplify right side
385,649.40x = 119,479,381,390.03 - Step 5: Solve for x
x = 119,479,381,390.03/385,649.40 - Step 6: Final answer
x = 309,813.48
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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.