Finding the Fourth Proportional to 202,948.74, 280,181.88 and 122,396.76
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Solution
The fourth proportional to 202,948.74, 280,181.88 and 122,396.76 is: 168,975.45
Step by Step Solution
- Step 1: Write the proportion equation
202,948.74 : 280,181.88 = 122,396.76 : x - Step 2: Convert to fraction form
202,948.74/280,181.88 = 122,396.76/x - Step 3: Cross multiply
202,948.74x = 280,181.88 × 122,396.76 - Step 4: Simplify right side
202,948.74x = 34,293,354,322.71 - Step 5: Solve for x
x = 34,293,354,322.71/202,948.74 - Step 6: Final answer
x = 168,975.45
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1.5x scale
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.