Finding the Fourth Proportional to 361,809.36, 499,544.28 and 226,050.12
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Solution
The fourth proportional to 361,809.36, 499,544.28 and 226,050.12 is: 312,103.71
Step by Step Solution
- Step 1: Write the proportion equation
361,809.36 : 499,544.28 = 226,050.12 : x - Step 2: Convert to fraction form
361,809.36/499,544.28 = 226,050.12/x - Step 3: Cross multiply
361,809.36x = 499,544.28 × 226,050.12 - Step 4: Simplify right side
361,809.36x = 112,922,044,439.31 - Step 5: Solve for x
x = 112,922,044,439.31/361,809.36 - Step 6: Final answer
x = 312,103.71
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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.