Finding the Fourth Proportional to 207,692.48, 286,615.44 and 112,199.12
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Solution
The fourth proportional to 207,692.48, 286,615.44 and 112,199.12 is: 154,834.69
Step by Step Solution
- Step 1: Write the proportion equation
207,692.48 : 286,615.44 = 112,199.12 : x - Step 2: Convert to fraction form
207,692.48/286,615.44 = 112,199.12/x - Step 3: Cross multiply
207,692.48x = 286,615.44 × 112,199.12 - Step 4: Simplify right side
207,692.48x = 32,158,000,146.41 - Step 5: Solve for x
x = 32,158,000,146.41/207,692.48 - Step 6: Final answer
x = 154,834.69
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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.