Finding the Fourth Proportional to 102,561.84, 153,848.36 and 32,435.92
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Solution
The fourth proportional to 102,561.84, 153,848.36 and 32,435.92 is: 48,655.65
Step by Step Solution
- Step 1: Write the proportion equation
102,561.84 : 153,848.36 = 32,435.92 : x - Step 2: Convert to fraction form
102,561.84/153,848.36 = 32,435.92/x - Step 3: Cross multiply
102,561.84x = 153,848.36 × 32,435.92 - Step 4: Simplify right side
102,561.84x = 4,990,213,097.09 - Step 5: Solve for x
x = 4,990,213,097.09/102,561.84 - Step 6: Final answer
x = 48,655.65
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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.