Finding the Fourth Proportional to 438,430.44, 657,594.18 and 122,912.76
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Solution
The fourth proportional to 438,430.44, 657,594.18 and 122,912.76 is: 184,354.71
Step by Step Solution
- Step 1: Write the proportion equation
438,430.44 : 657,594.18 = 122,912.76 : x - Step 2: Convert to fraction form
438,430.44/657,594.18 = 122,912.76/x - Step 3: Cross multiply
438,430.44x = 657,594.18 × 122,912.76 - Step 4: Simplify right side
438,430.44x = 80,826,715,623.74 - Step 5: Solve for x
x = 80,826,715,623.74/438,430.44 - Step 6: Final answer
x = 184,354.71
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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.