Finding the Fourth Proportional to 288,725.98, 433,163.72 and 89,041.96
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Solution
The fourth proportional to 288,725.98, 433,163.72 and 89,041.96 is: 133,585.99
Step by Step Solution
- Step 1: Write the proportion equation
288,725.98 : 433,163.72 = 89,041.96 : x - Step 2: Convert to fraction form
288,725.98/433,163.72 = 89,041.96/x - Step 3: Cross multiply
288,725.98x = 433,163.72 × 89,041.96 - Step 4: Simplify right side
288,725.98x = 38,569,746,629.69 - Step 5: Solve for x
x = 38,569,746,629.69/288,725.98 - Step 6: Final answer
x = 133,585.99
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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.