Finding the Fourth Proportional to 98,261.75, 135,601.35 and 53,549.75
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Solution
The fourth proportional to 98,261.75, 135,601.35 and 53,549.75 is: 73,898.73
Step by Step Solution
- Step 1: Write the proportion equation
98,261.75 : 135,601.35 = 53,549.75 : x - Step 2: Convert to fraction form
98,261.75/135,601.35 = 53,549.75/x - Step 3: Cross multiply
98,261.75x = 135,601.35 × 53,549.75 - Step 4: Simplify right side
98,261.75x = 7,261,418,392.16 - Step 5: Solve for x
x = 7,261,418,392.16/98,261.75 - Step 6: Final answer
x = 73,898.73
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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.