Finding the Fourth Proportional to 438,212.52, 657,550.21 and 310,951.13
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Solution
The fourth proportional to 438,212.52, 657,550.21 and 310,951.13 is: 466,590.92
Step by Step Solution
- Step 1: Write the proportion equation
438,212.52 : 657,550.21 = 310,951.13 : x - Step 2: Convert to fraction form
438,212.52/657,550.21 = 310,951.13/x - Step 3: Cross multiply
438,212.52x = 657,550.21 × 310,951.13 - Step 4: Simplify right side
438,212.52x = 204,465,980,831.24 - Step 5: Solve for x
x = 204,465,980,831.24/438,212.52 - Step 6: Final answer
x = 466,590.92
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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.