Finding the Fourth Proportional to 288,529.80, 432,794.70 and 274,751.70
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Solution
The fourth proportional to 288,529.80, 432,794.70 and 274,751.70 is: 412,127.55
Step by Step Solution
- Step 1: Write the proportion equation
288,529.80 : 432,794.70 = 274,751.70 : x - Step 2: Convert to fraction form
288,529.80/432,794.70 = 274,751.70/x - Step 3: Cross multiply
288,529.80x = 432,794.70 × 274,751.70 - Step 4: Simplify right side
288,529.80x = 118,911,079,575.99 - Step 5: Solve for x
x = 118,911,079,575.99/288,529.80 - Step 6: Final answer
x = 412,127.55
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1.5x scale
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.