Finding the Fourth Proportional to 288,894.69, 433,396.32 and 131,134.23
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Solution
The fourth proportional to 288,894.69, 433,396.32 and 131,134.23 is: 196,725.99
Step by Step Solution
- Step 1: Write the proportion equation
288,894.69 : 433,396.32 = 131,134.23 : x - Step 2: Convert to fraction form
288,894.69/433,396.32 = 131,134.23/x - Step 3: Cross multiply
288,894.69x = 433,396.32 × 131,134.23 - Step 4: Simplify right side
288,894.69x = 56,833,092,708.03 - Step 5: Solve for x
x = 56,833,092,708.03/288,894.69 - Step 6: Final answer
x = 196,725.99
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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.