Finding the Fourth Proportional to 217,027.40, 325,638.30 and 98,637.80
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Solution
The fourth proportional to 217,027.40, 325,638.30 and 98,637.80 is: 148,000.88
Step by Step Solution
- Step 1: Write the proportion equation
217,027.40 : 325,638.30 = 98,637.80 : x - Step 2: Convert to fraction form
217,027.40/325,638.30 = 98,637.80/x - Step 3: Cross multiply
217,027.40x = 325,638.30 × 98,637.80 - Step 4: Simplify right side
217,027.40x = 32,120,245,507.74 - Step 5: Solve for x
x = 32,120,245,507.74/217,027.40 - Step 6: Final answer
x = 148,000.88
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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.