Finding the Fourth Proportional to 270,929.36, 406,422.84 and 83,955.44
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Solution
The fourth proportional to 270,929.36, 406,422.84 and 83,955.44 is: 125,942.08
Step by Step Solution
- Step 1: Write the proportion equation
270,929.36 : 406,422.84 = 83,955.44 : x - Step 2: Convert to fraction form
270,929.36/406,422.84 = 83,955.44/x - Step 3: Cross multiply
270,929.36x = 406,422.84 × 83,955.44 - Step 4: Simplify right side
270,929.36x = 34,121,408,358.25 - Step 5: Solve for x
x = 34,121,408,358.25/270,929.36 - Step 6: Final answer
x = 125,942.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.