Finding the Fourth Proportional to 160,652.80, 240,748.80 and 118,201.60
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Solution
The fourth proportional to 160,652.80, 240,748.80 and 118,201.60 is: 177,132.88
Step by Step Solution
- Step 1: Write the proportion equation
160,652.80 : 240,748.80 = 118,201.60 : x - Step 2: Convert to fraction form
160,652.80/240,748.80 = 118,201.60/x - Step 3: Cross multiply
160,652.80x = 240,748.80 × 118,201.60 - Step 4: Simplify right side
160,652.80x = 28,456,893,358.08 - Step 5: Solve for x
x = 28,456,893,358.08/160,652.80 - Step 6: Final answer
x = 177,132.88
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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.