Finding the Fourth Proportional to 126,862.48, 190,320.44 and 47,974.96
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Solution
The fourth proportional to 126,862.48, 190,320.44 and 47,974.96 is: 71,972.54
Step by Step Solution
- Step 1: Write the proportion equation
126,862.48 : 190,320.44 = 47,974.96 : x - Step 2: Convert to fraction form
126,862.48/190,320.44 = 47,974.96/x - Step 3: Cross multiply
126,862.48x = 190,320.44 × 47,974.96 - Step 4: Simplify right side
126,862.48x = 9,130,615,496.18 - Step 5: Solve for x
x = 9,130,615,496.18/126,862.48 - Step 6: Final answer
x = 71,972.54
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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.