Finding the Fourth Proportional to 385,728.08, 578,684.50 and 160,963.49
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Solution
The fourth proportional to 385,728.08, 578,684.50 and 160,963.49 is: 241,483.79
Step by Step Solution
- Step 1: Write the proportion equation
385,728.08 : 578,684.50 = 160,963.49 : x - Step 2: Convert to fraction form
385,728.08/578,684.50 = 160,963.49/x - Step 3: Cross multiply
385,728.08x = 578,684.50 × 160,963.49 - Step 4: Simplify right side
385,728.08x = 93,147,077,773.21 - Step 5: Solve for x
x = 93,147,077,773.21/385,728.08 - Step 6: Final answer
x = 241,483.79
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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.