Finding the Fourth Proportional to 294,558.75, 406,491.08 and 160,422.75
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Solution
The fourth proportional to 294,558.75, 406,491.08 and 160,422.75 is: 221,383.40
Step by Step Solution
- Step 1: Write the proportion equation
294,558.75 : 406,491.08 = 160,422.75 : x - Step 2: Convert to fraction form
294,558.75/406,491.08 = 160,422.75/x - Step 3: Cross multiply
294,558.75x = 406,491.08 × 160,422.75 - Step 4: Simplify right side
294,558.75x = 65,210,416,101.96 - Step 5: Solve for x
x = 65,210,416,101.96/294,558.75 - Step 6: Final answer
x = 221,383.40
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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.