Finding the Fourth Proportional to 261,466.90, 392,155.21 and 69,342.66
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Solution
The fourth proportional to 261,466.90, 392,155.21 and 69,342.66 is: 104,002.02
Step by Step Solution
- Step 1: Write the proportion equation
261,466.90 : 392,155.21 = 69,342.66 : x - Step 2: Convert to fraction form
261,466.90/392,155.21 = 69,342.66/x - Step 3: Cross multiply
261,466.90x = 392,155.21 × 69,342.66 - Step 4: Simplify right side
261,466.90x = 27,193,085,394.26 - Step 5: Solve for x
x = 27,193,085,394.26/261,466.90 - Step 6: Final answer
x = 104,002.02
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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.