Finding the Fourth Proportional to 294,451.26, 406,354.95 and 167,138.70
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Solution
The fourth proportional to 294,451.26, 406,354.95 and 167,138.70 is: 230,658.34
Step by Step Solution
- Step 1: Write the proportion equation
294,451.26 : 406,354.95 = 167,138.70 : x - Step 2: Convert to fraction form
294,451.26/406,354.95 = 167,138.70/x - Step 3: Cross multiply
294,451.26x = 406,354.95 × 167,138.70 - Step 4: Simplify right side
294,451.26x = 67,917,638,081.57 - Step 5: Solve for x
x = 67,917,638,081.57/294,451.26 - Step 6: Final answer
x = 230,658.34
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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.