Finding the Fourth Proportional to 304,207.80, 456,311.70 and 257,551.80
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Solution
The fourth proportional to 304,207.80, 456,311.70 and 257,551.80 is: 386,327.70
Step by Step Solution
- Step 1: Write the proportion equation
304,207.80 : 456,311.70 = 257,551.80 : x - Step 2: Convert to fraction form
304,207.80/456,311.70 = 257,551.80/x - Step 3: Cross multiply
304,207.80x = 456,311.70 × 257,551.80 - Step 4: Simplify right side
304,207.80x = 117,523,899,696.06 - Step 5: Solve for x
x = 117,523,899,696.06/304,207.80 - Step 6: Final answer
x = 386,327.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.