Finding the Fourth Proportional to 202,962.80, 280,201.26 and 122,410.64
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Solution
The fourth proportional to 202,962.80, 280,201.26 and 122,410.64 is: 168,994.59
Step by Step Solution
- Step 1: Write the proportion equation
202,962.80 : 280,201.26 = 122,410.64 : x - Step 2: Convert to fraction form
202,962.80/280,201.26 = 122,410.64/x - Step 3: Cross multiply
202,962.80x = 280,201.26 × 122,410.64 - Step 4: Simplify right side
202,962.80x = 34,299,615,565.41 - Step 5: Solve for x
x = 34,299,615,565.41/202,962.80 - Step 6: Final answer
x = 168,994.59
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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.