Finding the Fourth Proportional to 323,357.52, 482,507.37 and 289,735.08
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Solution
The fourth proportional to 323,357.52, 482,507.37 and 289,735.08 is: 432,336.66
Step by Step Solution
- Step 1: Write the proportion equation
323,357.52 : 482,507.37 = 289,735.08 : x - Step 2: Convert to fraction form
323,357.52/482,507.37 = 289,735.08/x - Step 3: Cross multiply
323,357.52x = 482,507.37 × 289,735.08 - Step 4: Simplify right side
323,357.52x = 139,799,311,447.54 - Step 5: Solve for x
x = 139,799,311,447.54/323,357.52 - Step 6: Final answer
x = 432,336.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.