Finding the Fourth Proportional to 623,391.36, 860,236.92 and 351,468.96
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Solution
The fourth proportional to 623,391.36, 860,236.92 and 351,468.96 is: 485,002.83
Step by Step Solution
- Step 1: Write the proportion equation
623,391.36 : 860,236.92 = 351,468.96 : x - Step 2: Convert to fraction form
623,391.36/860,236.92 = 351,468.96/x - Step 3: Cross multiply
623,391.36x = 860,236.92 × 351,468.96 - Step 4: Simplify right side
623,391.36x = 302,346,575,626.00 - Step 5: Solve for x
x = 302,346,575,626.00/623,391.36 - Step 6: Final answer
x = 485,002.83
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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.