Finding the Fourth Proportional to 146,216.18, 201,778.98 and 79,148.18
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Solution
The fourth proportional to 146,216.18, 201,778.98 and 79,148.18 is: 109,224.84
Step by Step Solution
- Step 1: Write the proportion equation
146,216.18 : 201,778.98 = 79,148.18 : x - Step 2: Convert to fraction form
146,216.18/201,778.98 = 79,148.18/x - Step 3: Cross multiply
146,216.18x = 201,778.98 × 79,148.18 - Step 4: Simplify right side
146,216.18x = 15,970,439,029.26 - Step 5: Solve for x
x = 15,970,439,029.26/146,216.18 - Step 6: Final answer
x = 109,224.84
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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.