Finding the Fourth Proportional to 324,909.01, 487,363.52 and 214,075.09
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Solution
The fourth proportional to 324,909.01, 487,363.52 and 214,075.09 is: 321,112.64
Step by Step Solution
- Step 1: Write the proportion equation
324,909.01 : 487,363.52 = 214,075.09 : x - Step 2: Convert to fraction form
324,909.01/487,363.52 = 214,075.09/x - Step 3: Cross multiply
324,909.01x = 487,363.52 × 214,075.09 - Step 4: Simplify right side
324,909.01x = 104,332,389,406.72 - Step 5: Solve for x
x = 104,332,389,406.72/324,909.01 - Step 6: Final answer
x = 321,112.64
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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.