Finding the Fourth Proportional to 439,077.76, 605,880.94 and 248,054.26
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Solution
The fourth proportional to 439,077.76, 605,880.94 and 248,054.26 is: 342,288.68
Step by Step Solution
- Step 1: Write the proportion equation
439,077.76 : 605,880.94 = 248,054.26 : x - Step 2: Convert to fraction form
439,077.76/605,880.94 = 248,054.26/x - Step 3: Cross multiply
439,077.76x = 605,880.94 × 248,054.26 - Step 4: Simplify right side
439,077.76x = 150,291,343,950.13 - Step 5: Solve for x
x = 150,291,343,950.13/439,077.76 - Step 6: Final answer
x = 342,288.68
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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.