Finding the Fourth Proportional to 341,555.52, 471,579.12 and 220,988.64
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Solution
The fourth proportional to 341,555.52, 471,579.12 and 220,988.64 is: 305,114.75
Step by Step Solution
- Step 1: Write the proportion equation
341,555.52 : 471,579.12 = 220,988.64 : x - Step 2: Convert to fraction form
341,555.52/471,579.12 = 220,988.64/x - Step 3: Cross multiply
341,555.52x = 471,579.12 × 220,988.64 - Step 4: Simplify right side
341,555.52x = 104,213,628,381.20 - Step 5: Solve for x
x = 104,213,628,381.20/341,555.52 - Step 6: Final answer
x = 305,114.75
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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.