Finding the Fourth Proportional to 175,420.74, 263,163.56 and 55,507.88
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Solution
The fourth proportional to 175,420.74, 263,163.56 and 55,507.88 is: 83,272.09
Step by Step Solution
- Step 1: Write the proportion equation
175,420.74 : 263,163.56 = 55,507.88 : x - Step 2: Convert to fraction form
175,420.74/263,163.56 = 55,507.88/x - Step 3: Cross multiply
175,420.74x = 263,163.56 × 55,507.88 - Step 4: Simplify right side
175,420.74x = 14,607,651,308.85 - Step 5: Solve for x
x = 14,607,651,308.85/175,420.74 - Step 6: Final answer
x = 83,272.09
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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.