Finding the Fourth Proportional to 251,743.04, 347,402.76 and 138,563.36
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Solution
The fourth proportional to 251,743.04, 347,402.76 and 138,563.36 is: 191,215.99
Step by Step Solution
- Step 1: Write the proportion equation
251,743.04 : 347,402.76 = 138,563.36 : x - Step 2: Convert to fraction form
251,743.04/347,402.76 = 138,563.36/x - Step 3: Cross multiply
251,743.04x = 347,402.76 × 138,563.36 - Step 4: Simplify right side
251,743.04x = 48,137,293,698.87 - Step 5: Solve for x
x = 48,137,293,698.87/251,743.04 - Step 6: Final answer
x = 191,215.99
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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.