Finding the Fourth Proportional to 745,313.82, 1,117,735.40 and 239,762.08
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Solution
The fourth proportional to 745,313.82, 1,117,735.40 and 239,762.08 is: 359,567.42
Step by Step Solution
- Step 1: Write the proportion equation
745,313.82 : 1,117,735.40 = 239,762.08 : x - Step 2: Convert to fraction form
745,313.82/1,117,735.40 = 239,762.08/x - Step 3: Cross multiply
745,313.82x = 1,117,735.40 × 239,762.08 - Step 4: Simplify right side
745,313.82x = 267,990,563,194.82 - Step 5: Solve for x
x = 267,990,563,194.82/745,313.82 - Step 6: Final answer
x = 359,567.42
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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.