Finding the Fourth Proportional to 153,378.36, 230,102.09 and 46,771.74
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Solution
The fourth proportional to 153,378.36, 230,102.09 and 46,771.74 is: 70,168.15
Step by Step Solution
- Step 1: Write the proportion equation
153,378.36 : 230,102.09 = 46,771.74 : x - Step 2: Convert to fraction form
153,378.36/230,102.09 = 46,771.74/x - Step 3: Cross multiply
153,378.36x = 230,102.09 × 46,771.74 - Step 4: Simplify right side
153,378.36x = 10,762,275,126.94 - Step 5: Solve for x
x = 10,762,275,126.94/153,378.36 - Step 6: Final answer
x = 70,168.15
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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.