Finding the Fourth Proportional to 201,703.98, 278,349.18 and 111,058.08
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Solution
The fourth proportional to 201,703.98, 278,349.18 and 111,058.08 is: 153,258.88
Step by Step Solution
- Step 1: Write the proportion equation
201,703.98 : 278,349.18 = 111,058.08 : x - Step 2: Convert to fraction form
201,703.98/278,349.18 = 111,058.08/x - Step 3: Cross multiply
201,703.98x = 278,349.18 × 111,058.08 - Step 4: Simplify right side
201,703.98x = 30,912,925,500.37 - Step 5: Solve for x
x = 30,912,925,500.37/201,703.98 - Step 6: Final answer
x = 153,258.88
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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.