Finding the Fourth Proportional to 426,744.93, 640,212.74 and 160,507.76
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Solution
The fourth proportional to 426,744.93, 640,212.74 and 160,507.76 is: 240,797.49
Step by Step Solution
- Step 1: Write the proportion equation
426,744.93 : 640,212.74 = 160,507.76 : x - Step 2: Convert to fraction form
426,744.93/640,212.74 = 160,507.76/x - Step 3: Cross multiply
426,744.93x = 640,212.74 × 160,507.76 - Step 4: Simplify right side
426,744.93x = 102,759,110,021.07 - Step 5: Solve for x
x = 102,759,110,021.07/426,744.93 - Step 6: Final answer
x = 240,797.49
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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.