Finding the Fourth Proportional to 460,160.46, 689,896.44 and 309,979.26
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Solution
The fourth proportional to 460,160.46, 689,896.44 and 309,979.26 is: 464,736.99
Step by Step Solution
- Step 1: Write the proportion equation
460,160.46 : 689,896.44 = 309,979.26 : x - Step 2: Convert to fraction form
460,160.46/689,896.44 = 309,979.26/x - Step 3: Cross multiply
460,160.46x = 689,896.44 × 309,979.26 - Step 4: Simplify right side
460,160.46x = 213,853,587,947.83 - Step 5: Solve for x
x = 213,853,587,947.83/460,160.46 - Step 6: Final answer
x = 464,736.99
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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.