Finding the Fourth Proportional to 265,466.88, 398,079.36 and 115,701.12
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Solution
The fourth proportional to 265,466.88, 398,079.36 and 115,701.12 is: 173,498.96
Step by Step Solution
- Step 1: Write the proportion equation
265,466.88 : 398,079.36 = 115,701.12 : x - Step 2: Convert to fraction form
265,466.88/398,079.36 = 115,701.12/x - Step 3: Cross multiply
265,466.88x = 398,079.36 × 115,701.12 - Step 4: Simplify right side
265,466.88x = 46,058,227,800.88 - Step 5: Solve for x
x = 46,058,227,800.88/265,466.88 - Step 6: Final answer
x = 173,498.96
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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.