Finding the Fourth Proportional to 195,466.20, 293,199.30 and 135,331.80
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Solution
The fourth proportional to 195,466.20, 293,199.30 and 135,331.80 is: 202,997.70
Step by Step Solution
- Step 1: Write the proportion equation
195,466.20 : 293,199.30 = 135,331.80 : x - Step 2: Convert to fraction form
195,466.20/293,199.30 = 135,331.80/x - Step 3: Cross multiply
195,466.20x = 293,199.30 × 135,331.80 - Step 4: Simplify right side
195,466.20x = 39,679,189,027.74 - Step 5: Solve for x
x = 39,679,189,027.74/195,466.20 - Step 6: Final answer
x = 202,997.70
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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.