Finding the Fourth Proportional to 691,027.17, 1,036,688.35 and 241,762.70
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Solution
The fourth proportional to 691,027.17, 1,036,688.35 and 241,762.70 is: 362,695.69
Step by Step Solution
- Step 1: Write the proportion equation
691,027.17 : 1,036,688.35 = 241,762.70 : x - Step 2: Convert to fraction form
691,027.17/1,036,688.35 = 241,762.70/x - Step 3: Cross multiply
691,027.17x = 1,036,688.35 × 241,762.70 - Step 4: Simplify right side
691,027.17x = 250,632,574,554.55 - Step 5: Solve for x
x = 250,632,574,554.55/691,027.17 - Step 6: Final answer
x = 362,695.69
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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.