Finding the Fourth Proportional to 490,028.19, 676,246.88 and 272,250.92
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Solution
The fourth proportional to 490,028.19, 676,246.88 and 272,250.92 is: 375,710.70
Step by Step Solution
- Step 1: Write the proportion equation
490,028.19 : 676,246.88 = 272,250.92 : x - Step 2: Convert to fraction form
490,028.19/676,246.88 = 272,250.92/x - Step 3: Cross multiply
490,028.19x = 676,246.88 × 272,250.92 - Step 4: Simplify right side
490,028.19x = 184,108,833,794.49 - Step 5: Solve for x
x = 184,108,833,794.49/490,028.19 - Step 6: Final answer
x = 375,710.70
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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.