Finding the Fourth Proportional to 294,861.75, 406,909.49 and 160,725.75
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Solution
The fourth proportional to 294,861.75, 406,909.49 and 160,725.75 is: 221,801.68
Step by Step Solution
- Step 1: Write the proportion equation
294,861.75 : 406,909.49 = 160,725.75 : x - Step 2: Convert to fraction form
294,861.75/406,909.49 = 160,725.75/x - Step 3: Cross multiply
294,861.75x = 406,909.49 × 160,725.75 - Step 4: Simplify right side
294,861.75x = 65,400,832,962.37 - Step 5: Solve for x
x = 65,400,832,962.37/294,861.75 - Step 6: Final answer
x = 221,801.68
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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.