Finding the Fourth Proportional to 434,319.57, 599,394.96 and 279,409.20
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Solution
The fourth proportional to 434,319.57, 599,394.96 and 279,409.20 is: 385,606.54
Step by Step Solution
- Step 1: Write the proportion equation
434,319.57 : 599,394.96 = 279,409.20 : x - Step 2: Convert to fraction form
434,319.57/599,394.96 = 279,409.20/x - Step 3: Cross multiply
434,319.57x = 599,394.96 × 279,409.20 - Step 4: Simplify right side
434,319.57x = 167,476,466,257.63 - Step 5: Solve for x
x = 167,476,466,257.63/434,319.57 - Step 6: Final answer
x = 385,606.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.