Finding the Fourth Proportional to 385,108.04, 577,439.71 and 118,797.05
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Solution
The fourth proportional to 385,108.04, 577,439.71 and 118,797.05 is: 178,126.99
Step by Step Solution
- Step 1: Write the proportion equation
385,108.04 : 577,439.71 = 118,797.05 : x - Step 2: Convert to fraction form
385,108.04/577,439.71 = 118,797.05/x - Step 3: Cross multiply
385,108.04x = 577,439.71 × 118,797.05 - Step 4: Simplify right side
385,108.04x = 68,598,134,100.86 - Step 5: Solve for x
x = 68,598,134,100.86/385,108.04 - Step 6: Final answer
x = 178,126.99
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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.