Finding the Fourth Proportional to 197,692.20, 296,538.30 and 97,867.80
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Solution
The fourth proportional to 197,692.20, 296,538.30 and 97,867.80 is: 146,801.70
Step by Step Solution
- Step 1: Write the proportion equation
197,692.20 : 296,538.30 = 97,867.80 : x - Step 2: Convert to fraction form
197,692.20/296,538.30 = 97,867.80/x - Step 3: Cross multiply
197,692.20x = 296,538.30 × 97,867.80 - Step 4: Simplify right side
197,692.20x = 29,021,551,036.74 - Step 5: Solve for x
x = 29,021,551,036.74/197,692.20 - Step 6: Final answer
x = 146,801.70
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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.