Finding the Fourth Proportional to 268,924.80, 403,516.80 and 189,868.80
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Solution
The fourth proportional to 268,924.80, 403,516.80 and 189,868.80 is: 284,894.70
Step by Step Solution
- Step 1: Write the proportion equation
268,924.80 : 403,516.80 = 189,868.80 : x - Step 2: Convert to fraction form
268,924.80/403,516.80 = 189,868.80/x - Step 3: Cross multiply
268,924.80x = 403,516.80 × 189,868.80 - Step 4: Simplify right side
268,924.80x = 76,615,250,595.84 - Step 5: Solve for x
x = 76,615,250,595.84/268,924.80 - Step 6: Final answer
x = 284,894.70
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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.