Finding the Fourth Proportional to 253,815.84, 349,555.20 and 248,305.44
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Solution
The fourth proportional to 253,815.84, 349,555.20 and 248,305.44 is: 341,966.28
Step by Step Solution
- Step 1: Write the proportion equation
253,815.84 : 349,555.20 = 248,305.44 : x - Step 2: Convert to fraction form
253,815.84/349,555.20 = 248,305.44/x - Step 3: Cross multiply
253,815.84x = 349,555.20 × 248,305.44 - Step 4: Simplify right side
253,815.84x = 86,796,457,740.29 - Step 5: Solve for x
x = 86,796,457,740.29/253,815.84 - Step 6: Final answer
x = 341,966.28
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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.