Finding the Fourth Proportional to 153,319.28, 229,980.96 and 48,138.26
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Solution
The fourth proportional to 153,319.28, 229,980.96 and 48,138.26 is: 72,208.03
Step by Step Solution
- Step 1: Write the proportion equation
153,319.28 : 229,980.96 = 48,138.26 : x - Step 2: Convert to fraction form
153,319.28/229,980.96 = 48,138.26/x - Step 3: Cross multiply
153,319.28x = 229,980.96 × 48,138.26 - Step 4: Simplify right side
153,319.28x = 11,070,883,247.53 - Step 5: Solve for x
x = 11,070,883,247.53/153,319.28 - Step 6: Final answer
x = 72,208.03
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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.