Finding the Fourth Proportional to 450,673.36, 621,928.26 and 246,722.63
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Solution
The fourth proportional to 450,673.36, 621,928.26 and 246,722.63 is: 340,476.69
Step by Step Solution
- Step 1: Write the proportion equation
450,673.36 : 621,928.26 = 246,722.63 : x - Step 2: Convert to fraction form
450,673.36/621,928.26 = 246,722.63/x - Step 3: Cross multiply
450,673.36x = 621,928.26 × 246,722.63 - Step 4: Simplify right side
450,673.36x = 153,443,772,868.88 - Step 5: Solve for x
x = 153,443,772,868.88/450,673.36 - Step 6: Final answer
x = 340,476.69
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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.