Finding the Fourth Proportional to 127,297.48, 175,647.36 and 73,562.80
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Solution
The fourth proportional to 127,297.48, 175,647.36 and 73,562.80 is: 101,503.28
Step by Step Solution
- Step 1: Write the proportion equation
127,297.48 : 175,647.36 = 73,562.80 : x - Step 2: Convert to fraction form
127,297.48/175,647.36 = 73,562.80/x - Step 3: Cross multiply
127,297.48x = 175,647.36 × 73,562.80 - Step 4: Simplify right side
127,297.48x = 12,921,111,614.21 - Step 5: Solve for x
x = 12,921,111,614.21/127,297.48 - Step 6: Final answer
x = 101,503.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.