Finding the Fourth Proportional to 307,853.20, 461,795.36 and 118,247.09
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Solution
The fourth proportional to 307,853.20, 461,795.36 and 118,247.09 is: 177,376.61
Step by Step Solution
- Step 1: Write the proportion equation
307,853.20 : 461,795.36 = 118,247.09 : x - Step 2: Convert to fraction form
307,853.20/461,795.36 = 118,247.09/x - Step 3: Cross multiply
307,853.20x = 461,795.36 × 118,247.09 - Step 4: Simplify right side
307,853.20x = 54,605,958,058.76 - Step 5: Solve for x
x = 54,605,958,058.76/307,853.20 - Step 6: Final answer
x = 177,376.61
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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.