Finding the Fourth Proportional to 201,386.25, 277,907.13 and 110,742.12
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Solution
The fourth proportional to 201,386.25, 277,907.13 and 110,742.12 is: 152,820.88
Step by Step Solution
- Step 1: Write the proportion equation
201,386.25 : 277,907.13 = 110,742.12 : x - Step 2: Convert to fraction form
201,386.25/277,907.13 = 110,742.12/x - Step 3: Cross multiply
201,386.25x = 277,907.13 × 110,742.12 - Step 4: Simplify right side
201,386.25x = 30,776,024,739.32 - Step 5: Solve for x
x = 30,776,024,739.32/201,386.25 - Step 6: Final answer
x = 152,820.88
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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.