Finding the Fourth Proportional to 845,331.21, 1,268,191.22 and 276,730.65
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Solution
The fourth proportional to 845,331.21, 1,268,191.22 and 276,730.65 is: 415,159.61
Step by Step Solution
- Step 1: Write the proportion equation
845,331.21 : 1,268,191.22 = 276,730.65 : x - Step 2: Convert to fraction form
845,331.21/1,268,191.22 = 276,730.65/x - Step 3: Cross multiply
845,331.21x = 1,268,191.22 × 276,730.65 - Step 4: Simplify right side
845,331.21x = 350,947,379,251.24 - Step 5: Solve for x
x = 350,947,379,251.24/845,331.21 - Step 6: Final answer
x = 415,159.61
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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.