Finding the Fourth Proportional to 450,674.36, 621,929.64 and 246,723.63
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Solution
The fourth proportional to 450,674.36, 621,929.64 and 246,723.63 is: 340,478.07
Step by Step Solution
- Step 1: Write the proportion equation
450,674.36 : 621,929.64 = 246,723.63 : x - Step 2: Convert to fraction form
450,674.36/621,929.64 = 246,723.63/x - Step 3: Cross multiply
450,674.36x = 621,929.64 × 246,723.63 - Step 4: Simplify right side
450,674.36x = 153,444,738,385.39 - Step 5: Solve for x
x = 153,444,738,385.39/450,674.36 - Step 6: Final answer
x = 340,478.07
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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.