Finding the Fourth Proportional to 108,027.36, 161,970.72 and 44,830.08
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Solution
The fourth proportional to 108,027.36, 161,970.72 and 44,830.08 is: 67,215.94
Step by Step Solution
- Step 1: Write the proportion equation
108,027.36 : 161,970.72 = 44,830.08 : x - Step 2: Convert to fraction form
108,027.36/161,970.72 = 44,830.08/x - Step 3: Cross multiply
108,027.36x = 161,970.72 × 44,830.08 - Step 4: Simplify right side
108,027.36x = 7,261,160,335.26 - Step 5: Solve for x
x = 7,261,160,335.26/108,027.36 - Step 6: Final answer
x = 67,215.94
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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.