Finding the Fourth Proportional to 488,154.49, 673,634.48 and 267,388.23
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Solution
The fourth proportional to 488,154.49, 673,634.48 and 267,388.23 is: 368,985.50
Step by Step Solution
- Step 1: Write the proportion equation
488,154.49 : 673,634.48 = 267,388.23 : x - Step 2: Convert to fraction form
488,154.49/673,634.48 = 267,388.23/x - Step 3: Cross multiply
488,154.49x = 673,634.48 × 267,388.23 - Step 4: Simplify right side
488,154.49x = 180,121,929,937.23 - Step 5: Solve for x
x = 180,121,929,937.23/488,154.49 - Step 6: Final answer
x = 368,985.50
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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.