Finding the Fourth Proportional to 294,908.80, 406,974.08 and 160,772.80
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Solution
The fourth proportional to 294,908.80, 406,974.08 and 160,772.80 is: 221,866.43
Step by Step Solution
- Step 1: Write the proportion equation
294,908.80 : 406,974.08 = 160,772.80 : x - Step 2: Convert to fraction form
294,908.80/406,974.08 = 160,772.80/x - Step 3: Cross multiply
294,908.80x = 406,974.08 × 160,772.80 - Step 4: Simplify right side
294,908.80x = 65,430,362,369.02 - Step 5: Solve for x
x = 65,430,362,369.02/294,908.80 - Step 6: Final answer
x = 221,866.43
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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.