Finding the Fourth Proportional to 270,828.18, 406,280.08 and 113,020.48
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Solution
The fourth proportional to 270,828.18, 406,280.08 and 113,020.48 is: 169,546.50
Step by Step Solution
- Step 1: Write the proportion equation
270,828.18 : 406,280.08 = 113,020.48 : x - Step 2: Convert to fraction form
270,828.18/406,280.08 = 113,020.48/x - Step 3: Cross multiply
270,828.18x = 406,280.08 × 113,020.48 - Step 4: Simplify right side
270,828.18x = 45,917,969,656.04 - Step 5: Solve for x
x = 45,917,969,656.04/270,828.18 - Step 6: Final answer
x = 169,546.50
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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.