Finding the Fourth Proportional to 322,671.16, 445,216.62 and 195,352.12
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Solution
The fourth proportional to 322,671.16, 445,216.62 and 195,352.12 is: 269,543.80
Step by Step Solution
- Step 1: Write the proportion equation
322,671.16 : 445,216.62 = 195,352.12 : x - Step 2: Convert to fraction form
322,671.16/445,216.62 = 195,352.12/x - Step 3: Cross multiply
322,671.16x = 445,216.62 × 195,352.12 - Step 4: Simplify right side
322,671.16x = 86,974,010,576.23 - Step 5: Solve for x
x = 86,974,010,576.23/322,671.16 - Step 6: Final answer
x = 269,543.80
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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.