Finding the Fourth Proportional to 385,884.66, 578,827.24 and 161,122.48
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Solution
The fourth proportional to 385,884.66, 578,827.24 and 161,122.48 is: 241,683.82
Step by Step Solution
- Step 1: Write the proportion equation
385,884.66 : 578,827.24 = 161,122.48 : x - Step 2: Convert to fraction form
385,884.66/578,827.24 = 161,122.48/x - Step 3: Cross multiply
385,884.66x = 578,827.24 × 161,122.48 - Step 4: Simplify right side
385,884.66x = 93,262,080,400.36 - Step 5: Solve for x
x = 93,262,080,400.36/385,884.66 - Step 6: Final answer
x = 241,683.82
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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.