Finding the Fourth Proportional to 308,203.58, 462,305.36 and 213,134.69
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Solution
The fourth proportional to 308,203.58, 462,305.36 and 213,134.69 is: 319,702.03
Step by Step Solution
- Step 1: Write the proportion equation
308,203.58 : 462,305.36 = 213,134.69 : x - Step 2: Convert to fraction form
308,203.58/462,305.36 = 213,134.69/x - Step 3: Cross multiply
308,203.58x = 462,305.36 × 213,134.69 - Step 4: Simplify right side
308,203.58x = 98,533,307,810.25 - Step 5: Solve for x
x = 98,533,307,810.25/308,203.58 - Step 6: Final answer
x = 319,702.03
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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.