Finding the Fourth Proportional to 145,798.04, 201,202.44 and 85,404.44
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Solution
The fourth proportional to 145,798.04, 201,202.44 and 85,404.44 is: 117,858.80
Step by Step Solution
- Step 1: Write the proportion equation
145,798.04 : 201,202.44 = 85,404.44 : x - Step 2: Convert to fraction form
145,798.04/201,202.44 = 85,404.44/x - Step 3: Cross multiply
145,798.04x = 201,202.44 × 85,404.44 - Step 4: Simplify right side
145,798.04x = 17,183,581,714.83 - Step 5: Solve for x
x = 17,183,581,714.83/145,798.04 - Step 6: Final answer
x = 117,858.80
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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.