Finding the Fourth Proportional to 251,625.11, 347,252.21 and 144,215.87
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Solution
The fourth proportional to 251,625.11, 347,252.21 and 144,215.87 is: 199,023.38
Step by Step Solution
- Step 1: Write the proportion equation
251,625.11 : 347,252.21 = 144,215.87 : x - Step 2: Convert to fraction form
251,625.11/347,252.21 = 144,215.87/x - Step 3: Cross multiply
251,625.11x = 347,252.21 × 144,215.87 - Step 4: Simplify right side
251,625.11x = 50,079,280,803.24 - Step 5: Solve for x
x = 50,079,280,803.24/251,625.11 - Step 6: Final answer
x = 199,023.38
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1.5x scale
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.