Finding the Fourth Proportional to 90,296.70, 135,466.92 and 27,116.70
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Solution
The fourth proportional to 90,296.70, 135,466.92 and 27,116.70 is: 40,681.62
Step by Step Solution
- Step 1: Write the proportion equation
90,296.70 : 135,466.92 = 27,116.70 : x - Step 2: Convert to fraction form
90,296.70/135,466.92 = 27,116.70/x - Step 3: Cross multiply
90,296.70x = 135,466.92 × 27,116.70 - Step 4: Simplify right side
90,296.70x = 3,673,415,829.56 - Step 5: Solve for x
x = 3,673,415,829.56/90,296.70 - Step 6: Final answer
x = 40,681.62
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1.5x scale
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.