Finding the Fourth Proportional to 294,720.19, 406,713.86 and 160,584.19
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Solution
The fourth proportional to 294,720.19, 406,713.86 and 160,584.19 is: 221,606.18
Step by Step Solution
- Step 1: Write the proportion equation
294,720.19 : 406,713.86 = 160,584.19 : x - Step 2: Convert to fraction form
294,720.19/406,713.86 = 160,584.19/x - Step 3: Cross multiply
294,720.19x = 406,713.86 × 160,584.19 - Step 4: Simplify right side
294,720.19x = 65,311,814,552.36 - Step 5: Solve for x
x = 65,311,814,552.36/294,720.19 - Step 6: Final answer
x = 221,606.18
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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.