Finding the Fourth Proportional to 162,855.13, 224,737.45 and 91,234.93
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Solution
The fourth proportional to 162,855.13, 224,737.45 and 91,234.93 is: 125,902.73
Step by Step Solution
- Step 1: Write the proportion equation
162,855.13 : 224,737.45 = 91,234.93 : x - Step 2: Convert to fraction form
162,855.13/224,737.45 = 91,234.93/x - Step 3: Cross multiply
162,855.13x = 224,737.45 × 91,234.93 - Step 4: Simplify right side
162,855.13x = 20,503,905,519.13 - Step 5: Solve for x
x = 20,503,905,519.13/162,855.13 - Step 6: Final answer
x = 125,902.73
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1.5x scale
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.