Finding the Fourth Proportional to 845,341.21, 1,268,206.26 and 276,740.65
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Solution
The fourth proportional to 845,341.21, 1,268,206.26 and 276,740.65 is: 415,174.63
Step by Step Solution
- Step 1: Write the proportion equation
845,341.21 : 1,268,206.26 = 276,740.65 : x - Step 2: Convert to fraction form
845,341.21/1,268,206.26 = 276,740.65/x - Step 3: Cross multiply
845,341.21x = 1,268,206.26 × 276,740.65 - Step 4: Simplify right side
845,341.21x = 350,964,224,726.47 - Step 5: Solve for x
x = 350,964,224,726.47/845,341.21 - Step 6: Final answer
x = 415,174.63
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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.