Finding the Fourth Proportional to 439,403.49, 606,353.26 and 248,405.49
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Solution
The fourth proportional to 439,403.49, 606,353.26 and 248,405.49 is: 342,786.26
Step by Step Solution
- Step 1: Write the proportion equation
439,403.49 : 606,353.26 = 248,405.49 : x - Step 2: Convert to fraction form
439,403.49/606,353.26 = 248,405.49/x - Step 3: Cross multiply
439,403.49x = 606,353.26 × 248,405.49 - Step 4: Simplify right side
439,403.49x = 150,621,478,663.40 - Step 5: Solve for x
x = 150,621,478,663.40/439,403.49 - Step 6: Final answer
x = 342,786.26
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1.5x scale
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.