Finding the Fourth Proportional to 480,102.07, 720,189.84 and 143,116.96
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Solution
The fourth proportional to 480,102.07, 720,189.84 and 143,116.96 is: 214,686.39
Step by Step Solution
- Step 1: Write the proportion equation
480,102.07 : 720,189.84 = 143,116.96 : x - Step 2: Convert to fraction form
480,102.07/720,189.84 = 143,116.96/x - Step 3: Cross multiply
480,102.07x = 720,189.84 × 143,116.96 - Step 4: Simplify right side
480,102.07x = 103,071,380,523.69 - Step 5: Solve for x
x = 103,071,380,523.69/480,102.07 - Step 6: Final answer
x = 214,686.39
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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.