Finding the Fourth Proportional to 92,658.13, 138,985.57 and 22,538.05
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Solution
The fourth proportional to 92,658.13, 138,985.57 and 22,538.05 is: 33,806.68
Step by Step Solution
- Step 1: Write the proportion equation
92,658.13 : 138,985.57 = 22,538.05 : x - Step 2: Convert to fraction form
92,658.13/138,985.57 = 22,538.05/x - Step 3: Cross multiply
92,658.13x = 138,985.57 × 22,538.05 - Step 4: Simplify right side
92,658.13x = 3,132,463,406.65 - Step 5: Solve for x
x = 3,132,463,406.65/92,658.13 - Step 6: Final answer
x = 33,806.68
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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.