Finding the Fourth Proportional to 102,926.80, 154,277.58 and 53,009.92
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Solution
The fourth proportional to 102,926.80, 154,277.58 and 53,009.92 is: 79,456.88
Step by Step Solution
- Step 1: Write the proportion equation
102,926.80 : 154,277.58 = 53,009.92 : x - Step 2: Convert to fraction form
102,926.80/154,277.58 = 53,009.92/x - Step 3: Cross multiply
102,926.80x = 154,277.58 × 53,009.92 - Step 4: Simplify right side
102,926.80x = 8,178,242,173.59 - Step 5: Solve for x
x = 8,178,242,173.59/102,926.80 - Step 6: Final answer
x = 79,456.88
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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.