Finding the Fourth Proportional to 294,678.36, 406,656.18 and 160,542.36
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Solution
The fourth proportional to 294,678.36, 406,656.18 and 160,542.36 is: 221,548.48
Step by Step Solution
- Step 1: Write the proportion equation
294,678.36 : 406,656.18 = 160,542.36 : x - Step 2: Convert to fraction form
294,678.36/406,656.18 = 160,542.36/x - Step 3: Cross multiply
294,678.36x = 406,656.18 × 160,542.36 - Step 4: Simplify right side
294,678.36x = 65,285,542,845.78 - Step 5: Solve for x
x = 65,285,542,845.78/294,678.36 - Step 6: Final answer
x = 221,548.48
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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.