Finding the Fourth Proportional to 133,385.24, 199,855.74 and 93,859.31
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Solution
The fourth proportional to 133,385.24, 199,855.74 and 93,859.31 is: 140,632.67
Step by Step Solution
- Step 1: Write the proportion equation
133,385.24 : 199,855.74 = 93,859.31 : x - Step 2: Convert to fraction form
133,385.24/199,855.74 = 93,859.31/x - Step 3: Cross multiply
133,385.24x = 199,855.74 × 93,859.31 - Step 4: Simplify right side
133,385.24x = 18,758,321,855.94 - Step 5: Solve for x
x = 18,758,321,855.94/133,385.24 - Step 6: Final answer
x = 140,632.67
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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.