Finding the Fourth Proportional to 504,528.16, 696,246.96 and 278,186.08
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Solution
The fourth proportional to 504,528.16, 696,246.96 and 278,186.08 is: 383,895.74
Step by Step Solution
- Step 1: Write the proportion equation
504,528.16 : 696,246.96 = 278,186.08 : x - Step 2: Convert to fraction form
504,528.16/696,246.96 = 278,186.08/x - Step 3: Cross multiply
504,528.16x = 696,246.96 × 278,186.08 - Step 4: Simplify right side
504,528.16x = 193,686,212,514.32 - Step 5: Solve for x
x = 193,686,212,514.32/504,528.16 - Step 6: Final answer
x = 383,895.74
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.