Finding the Fourth Proportional to 533,638.69, 799,175.26 and 305,242.08
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Solution
The fourth proportional to 533,638.69, 799,175.26 and 305,242.08 is: 457,129.37
Step by Step Solution
- Step 1: Write the proportion equation
533,638.69 : 799,175.26 = 305,242.08 : x - Step 2: Convert to fraction form
533,638.69/799,175.26 = 305,242.08/x - Step 3: Cross multiply
533,638.69x = 799,175.26 × 305,242.08 - Step 4: Simplify right side
533,638.69x = 243,941,913,887.96 - Step 5: Solve for x
x = 243,941,913,887.96/533,638.69 - Step 6: Final answer
x = 457,129.37
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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.