Finding the Fourth Proportional to 102,658.74, 153,988.11 and 32,538.05
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Solution
The fourth proportional to 102,658.74, 153,988.11 and 32,538.05 is: 48,807.08
Step by Step Solution
- Step 1: Write the proportion equation
102,658.74 : 153,988.11 = 32,538.05 : x - Step 2: Convert to fraction form
102,658.74/153,988.11 = 32,538.05/x - Step 3: Cross multiply
102,658.74x = 153,988.11 × 32,538.05 - Step 4: Simplify right side
102,658.74x = 5,010,472,822.59 - Step 5: Solve for x
x = 5,010,472,822.59/102,658.74 - Step 6: Final answer
x = 48,807.08
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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.