Finding the Fourth Proportional to 293,806.08, 440,640.96 and 143,896.80
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Solution
The fourth proportional to 293,806.08, 440,640.96 and 143,896.80 is: 215,811.82
Step by Step Solution
- Step 1: Write the proportion equation
293,806.08 : 440,640.96 = 143,896.80 : x - Step 2: Convert to fraction form
293,806.08/440,640.96 = 143,896.80/x - Step 3: Cross multiply
293,806.08x = 440,640.96 × 143,896.80 - Step 4: Simplify right side
293,806.08x = 63,406,824,092.93 - Step 5: Solve for x
x = 63,406,824,092.93/293,806.08 - Step 6: Final answer
x = 215,811.82
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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.