Finding the Fourth Proportional to 213,134.58, 319,761.84 and 93,202.06
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Solution
The fourth proportional to 213,134.58, 319,761.84 and 93,202.06 is: 139,829.32
Step by Step Solution
- Step 1: Write the proportion equation
213,134.58 : 319,761.84 = 93,202.06 : x - Step 2: Convert to fraction form
213,134.58/319,761.84 = 93,202.06/x - Step 3: Cross multiply
213,134.58x = 319,761.84 × 93,202.06 - Step 4: Simplify right side
213,134.58x = 29,802,462,628.35 - Step 5: Solve for x
x = 29,802,462,628.35/213,134.58 - Step 6: Final answer
x = 139,829.32
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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.