Finding the Fourth Proportional to 267,380.16, 401,070.78 and 109,580.28
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Solution
The fourth proportional to 267,380.16, 401,070.78 and 109,580.28 is: 164,370.64
Step by Step Solution
- Step 1: Write the proportion equation
267,380.16 : 401,070.78 = 109,580.28 : x - Step 2: Convert to fraction form
267,380.16/401,070.78 = 109,580.28/x - Step 3: Cross multiply
267,380.16x = 401,070.78 × 109,580.28 - Step 4: Simplify right side
267,380.16x = 43,949,448,372.22 - Step 5: Solve for x
x = 43,949,448,372.22/267,380.16 - Step 6: Final answer
x = 164,370.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.