Finding the Fourth Proportional to 245,022.06, 338,167.08 and 149,584.26
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Solution
The fourth proportional to 245,022.06, 338,167.08 and 149,584.26 is: 206,448.65
Step by Step Solution
- Step 1: Write the proportion equation
245,022.06 : 338,167.08 = 149,584.26 : x - Step 2: Convert to fraction form
245,022.06/338,167.08 = 149,584.26/x - Step 3: Cross multiply
245,022.06x = 338,167.08 × 149,584.26 - Step 4: Simplify right side
245,022.06x = 50,584,472,418.16 - Step 5: Solve for x
x = 50,584,472,418.16/245,022.06 - Step 6: Final answer
x = 206,448.65
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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.