Finding the Fourth Proportional to 288,704.96, 433,029.58 and 88,971.72
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Solution
The fourth proportional to 288,704.96, 433,029.58 and 88,971.72 is: 133,448.99
Step by Step Solution
- Step 1: Write the proportion equation
288,704.96 : 433,029.58 = 88,971.72 : x - Step 2: Convert to fraction form
288,704.96/433,029.58 = 88,971.72/x - Step 3: Cross multiply
288,704.96x = 433,029.58 × 88,971.72 - Step 4: Simplify right side
288,704.96x = 38,527,384,697.19 - Step 5: Solve for x
x = 38,527,384,697.19/288,704.96 - Step 6: Final answer
x = 133,448.99
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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.