Finding the Fourth Proportional to 399,037.23, 598,656.11 and 114,728.31
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Solution
The fourth proportional to 399,037.23, 598,656.11 and 114,728.31 is: 172,121.29
Step by Step Solution
- Step 1: Write the proportion equation
399,037.23 : 598,656.11 = 114,728.31 : x - Step 2: Convert to fraction form
399,037.23/598,656.11 = 114,728.31/x - Step 3: Cross multiply
399,037.23x = 598,656.11 × 114,728.31 - Step 4: Simplify right side
399,037.23x = 68,682,803,197.83 - Step 5: Solve for x
x = 68,682,803,197.83/399,037.23 - Step 6: Final answer
x = 172,121.29
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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.