Finding the Fourth Proportional to 145,783.80, 201,174.84 and 98,029.44
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Solution
The fourth proportional to 145,783.80, 201,174.84 and 98,029.44 is: 135,276.05
Step by Step Solution
- Step 1: Write the proportion equation
145,783.80 : 201,174.84 = 98,029.44 : x - Step 2: Convert to fraction form
145,783.80/201,174.84 = 98,029.44/x - Step 3: Cross multiply
145,783.80x = 201,174.84 × 98,029.44 - Step 4: Simplify right side
145,783.80x = 19,721,056,907.29 - Step 5: Solve for x
x = 19,721,056,907.29/145,783.80 - Step 6: Final answer
x = 135,276.05
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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.