Finding the Fourth Proportional to 438,205.60, 657,259.80 and 122,694.40
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Solution
The fourth proportional to 438,205.60, 657,259.80 and 122,694.40 is: 184,027.99
Step by Step Solution
- Step 1: Write the proportion equation
438,205.60 : 657,259.80 = 122,694.40 : x - Step 2: Convert to fraction form
438,205.60/657,259.80 = 122,694.40/x - Step 3: Cross multiply
438,205.60x = 657,259.80 × 122,694.40 - Step 4: Simplify right side
438,205.60x = 80,642,096,805.12 - Step 5: Solve for x
x = 80,642,096,805.12/438,205.60 - Step 6: Final answer
x = 184,027.99
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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.