Finding the Fourth Proportional to 295,173.49, 407,370.80 and 180,519.21
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Solution
The fourth proportional to 295,173.49, 407,370.80 and 180,519.21 is: 249,135.70
Step by Step Solution
- Step 1: Write the proportion equation
295,173.49 : 407,370.80 = 180,519.21 : x - Step 2: Convert to fraction form
295,173.49/407,370.80 = 180,519.21/x - Step 3: Cross multiply
295,173.49x = 407,370.80 × 180,519.21 - Step 4: Simplify right side
295,173.49x = 73,538,254,993.07 - Step 5: Solve for x
x = 73,538,254,993.07/295,173.49 - Step 6: Final answer
x = 249,135.70
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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.