Finding the Fourth Proportional to 438,887.63, 658,331.72 and 106,463.63
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Solution
The fourth proportional to 438,887.63, 658,331.72 and 106,463.63 is: 159,695.50
Step by Step Solution
- Step 1: Write the proportion equation
438,887.63 : 658,331.72 = 106,463.63 : x - Step 2: Convert to fraction form
438,887.63/658,331.72 = 106,463.63/x - Step 3: Cross multiply
438,887.63x = 658,331.72 × 106,463.63 - Step 4: Simplify right side
438,887.63x = 70,088,380,831.37 - Step 5: Solve for x
x = 70,088,380,831.37/438,887.63 - Step 6: Final answer
x = 159,695.50
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1.5x scale
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.