Finding the Fourth Proportional to 269,886.06, 372,454.74 and 155,201.94
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Solution
The fourth proportional to 269,886.06, 372,454.74 and 155,201.94 is: 214,185.56
Step by Step Solution
- Step 1: Write the proportion equation
269,886.06 : 372,454.74 = 155,201.94 : x - Step 2: Convert to fraction form
269,886.06/372,454.74 = 155,201.94/x - Step 3: Cross multiply
269,886.06x = 372,454.74 × 155,201.94 - Step 4: Simplify right side
269,886.06x = 57,805,698,210.20 - Step 5: Solve for x
x = 57,805,698,210.20/269,886.06 - Step 6: Final answer
x = 214,185.56
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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.