Finding the Fourth Proportional to 276,967.48, 382,214.64 and 149,642.68
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Solution
The fourth proportional to 276,967.48, 382,214.64 and 149,642.68 is: 206,506.64
Step by Step Solution
- Step 1: Write the proportion equation
276,967.48 : 382,214.64 = 149,642.68 : x - Step 2: Convert to fraction form
276,967.48/382,214.64 = 149,642.68/x - Step 3: Cross multiply
276,967.48x = 382,214.64 × 149,642.68 - Step 4: Simplify right side
276,967.48x = 57,195,623,064.84 - Step 5: Solve for x
x = 57,195,623,064.84/276,967.48 - Step 6: Final answer
x = 206,506.64
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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.