Finding the Fourth Proportional to 220,176.42, 330,395.84 and 79,945.98
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Solution
The fourth proportional to 220,176.42, 330,395.84 and 79,945.98 is: 119,966.61
Step by Step Solution
- Step 1: Write the proportion equation
220,176.42 : 330,395.84 = 79,945.98 : x - Step 2: Convert to fraction form
220,176.42/330,395.84 = 79,945.98/x - Step 3: Cross multiply
220,176.42x = 330,395.84 × 79,945.98 - Step 4: Simplify right side
220,176.42x = 26,413,819,216.72 - Step 5: Solve for x
x = 26,413,819,216.72/220,176.42 - Step 6: Final answer
x = 119,966.61
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1.5x scale
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.