Finding the Fourth Proportional to 225,235.36, 310,811.92 and 124,627.36
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Solution
The fourth proportional to 225,235.36, 310,811.92 and 124,627.36 is: 171,978.63
Step by Step Solution
- Step 1: Write the proportion equation
225,235.36 : 310,811.92 = 124,627.36 : x - Step 2: Convert to fraction form
225,235.36/310,811.92 = 124,627.36/x - Step 3: Cross multiply
225,235.36x = 310,811.92 × 124,627.36 - Step 4: Simplify right side
225,235.36x = 38,735,669,046.13 - Step 5: Solve for x
x = 38,735,669,046.13/225,235.36 - Step 6: Final answer
x = 171,978.63
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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.