Finding the Fourth Proportional to 159,649.18, 239,544.50 and 84,751.26
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Solution
The fourth proportional to 159,649.18, 239,544.50 and 84,751.26 is: 127,164.44
Step by Step Solution
- Step 1: Write the proportion equation
159,649.18 : 239,544.50 = 84,751.26 : x - Step 2: Convert to fraction form
159,649.18/239,544.50 = 84,751.26/x - Step 3: Cross multiply
159,649.18x = 239,544.50 × 84,751.26 - Step 4: Simplify right side
159,649.18x = 20,301,698,822.37 - Step 5: Solve for x
x = 20,301,698,822.37/159,649.18 - Step 6: Final answer
x = 127,164.44
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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.