Finding the Fourth Proportional to 751,116, 1,126,743.44 and 245,679.84
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Solution
The fourth proportional to 751,116, 1,126,743.44 and 245,679.84 is: 368,542.47
Step by Step Solution
- Step 1: Write the proportion equation
751,116 : 1,126,743.44 = 245,679.84 : x - Step 2: Convert to fraction form
751,116/1,126,743.44 = 245,679.84/x - Step 3: Cross multiply
751,116x = 1,126,743.44 × 245,679.84 - Step 4: Simplify right side
751,116x = 276,818,148,060.25 - Step 5: Solve for x
x = 276,818,148,060.25/751,116 - Step 6: Final answer
x = 368,542.47
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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.