Finding the Fourth Proportional to 294,910.08, 406,974.72 and 160,774.08
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Solution
The fourth proportional to 294,910.08, 406,974.72 and 160,774.08 is: 221,867.58
Step by Step Solution
- Step 1: Write the proportion equation
294,910.08 : 406,974.72 = 160,774.08 : x - Step 2: Convert to fraction form
294,910.08/406,974.72 = 160,774.08/x - Step 3: Cross multiply
294,910.08x = 406,974.72 × 160,774.08 - Step 4: Simplify right side
294,910.08x = 65,430,986,191.26 - Step 5: Solve for x
x = 65,430,986,191.26/294,910.08 - Step 6: Final answer
x = 221,867.58
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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.