Finding the Fourth Proportional to 307,518.60, 461,059.20 and 117,905.70
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Solution
The fourth proportional to 307,518.60, 461,059.20 and 117,905.70 is: 176,774.70
Step by Step Solution
- Step 1: Write the proportion equation
307,518.60 : 461,059.20 = 117,905.70 : x - Step 2: Convert to fraction form
307,518.60/461,059.20 = 117,905.70/x - Step 3: Cross multiply
307,518.60x = 461,059.20 × 117,905.70 - Step 4: Simplify right side
307,518.60x = 54,361,507,717.44 - Step 5: Solve for x
x = 54,361,507,717.44/307,518.60 - Step 6: Final answer
x = 176,774.70
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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.