Finding the Fourth Proportional to 480,049.12, 720,175.74 and 164,421.28
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Solution
The fourth proportional to 480,049.12, 720,175.74 and 164,421.28 is: 246,666.88
Step by Step Solution
- Step 1: Write the proportion equation
480,049.12 : 720,175.74 = 164,421.28 : x - Step 2: Convert to fraction form
480,049.12/720,175.74 = 164,421.28/x - Step 3: Cross multiply
480,049.12x = 720,175.74 × 164,421.28 - Step 4: Simplify right side
480,049.12x = 118,412,216,995.75 - Step 5: Solve for x
x = 118,412,216,995.75/480,049.12 - Step 6: Final answer
x = 246,666.88
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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.