Finding the Fourth Proportional to 519,671.63, 717,149.00 and 281,207.63
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Solution
The fourth proportional to 519,671.63, 717,149.00 and 281,207.63 is: 388,067.69
Step by Step Solution
- Step 1: Write the proportion equation
519,671.63 : 717,149.00 = 281,207.63 : x - Step 2: Convert to fraction form
519,671.63/717,149.00 = 281,207.63/x - Step 3: Cross multiply
519,671.63x = 717,149.00 × 281,207.63 - Step 4: Simplify right side
519,671.63x = 201,667,767,764.14 - Step 5: Solve for x
x = 201,667,767,764.14/519,671.63 - Step 6: Final answer
x = 388,067.69
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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.