Finding the Fourth Proportional to 606,305.20, 909,457.80 and 251,201.20
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Solution
The fourth proportional to 606,305.20, 909,457.80 and 251,201.20 is: 376,801.80
Step by Step Solution
- Step 1: Write the proportion equation
606,305.20 : 909,457.80 = 251,201.20 : x - Step 2: Convert to fraction form
606,305.20/909,457.80 = 251,201.20/x - Step 3: Cross multiply
606,305.20x = 909,457.80 × 251,201.20 - Step 4: Simplify right side
606,305.20x = 228,456,890,709.36 - Step 5: Solve for x
x = 228,456,890,709.36/606,305.20 - Step 6: Final answer
x = 376,801.80
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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.