Finding the Fourth Proportional to 439,469.80, 659,204.70 and 107,045.80
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Solution
The fourth proportional to 439,469.80, 659,204.70 and 107,045.80 is: 160,568.70
Step by Step Solution
- Step 1: Write the proportion equation
439,469.80 : 659,204.70 = 107,045.80 : x - Step 2: Convert to fraction form
439,469.80/659,204.70 = 107,045.80/x - Step 3: Cross multiply
439,469.80x = 659,204.70 × 107,045.80 - Step 4: Simplify right side
439,469.80x = 70,565,094,475.26 - Step 5: Solve for x
x = 70,565,094,475.26/439,469.80 - Step 6: Final answer
x = 160,568.70
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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.