Finding the Fourth Proportional to 221,443.07, 305,608.35 and 125,944.07
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Solution
The fourth proportional to 221,443.07, 305,608.35 and 125,944.07 is: 173,812.44
Step by Step Solution
- Step 1: Write the proportion equation
221,443.07 : 305,608.35 = 125,944.07 : x - Step 2: Convert to fraction form
221,443.07/305,608.35 = 125,944.07/x - Step 3: Cross multiply
221,443.07x = 305,608.35 × 125,944.07 - Step 4: Simplify right side
221,443.07x = 38,489,559,424.98 - Step 5: Solve for x
x = 38,489,559,424.98/221,443.07 - Step 6: Final answer
x = 173,812.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.