Finding the Fourth Proportional to 193,449.99, 266,521.85 and 149,692.08
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Solution
The fourth proportional to 193,449.99, 266,521.85 and 149,692.08 is: 206,235.27
Step by Step Solution
- Step 1: Write the proportion equation
193,449.99 : 266,521.85 = 149,692.08 : x - Step 2: Convert to fraction form
193,449.99/266,521.85 = 149,692.08/x - Step 3: Cross multiply
193,449.99x = 266,521.85 × 149,692.08 - Step 4: Simplify right side
193,449.99x = 39,896,210,091.95 - Step 5: Solve for x
x = 39,896,210,091.95/193,449.99 - Step 6: Final answer
x = 206,235.27
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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.