Finding the Fourth Proportional to 294,524.91, 406,400.09 and 165,438.65
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Solution
The fourth proportional to 294,524.91, 406,400.09 and 165,438.65 is: 228,280.46
Step by Step Solution
- Step 1: Write the proportion equation
294,524.91 : 406,400.09 = 165,438.65 : x - Step 2: Convert to fraction form
294,524.91/406,400.09 = 165,438.65/x - Step 3: Cross multiply
294,524.91x = 406,400.09 × 165,438.65 - Step 4: Simplify right side
294,524.91x = 67,234,282,438.29 - Step 5: Solve for x
x = 67,234,282,438.29/294,524.91 - Step 6: Final answer
x = 228,280.46
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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.